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  • Springer  (303)
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  • 1
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    Journal for general philosophy of science 29 (1998), S. 1-20 
    ISSN: 1572-8587
    Keywords: Hume ; philosophy of geometry ; infinite divisibility ofextension ; philosophy of space
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Although Hume's analysis of geometry continues to serve as a reference point for many contemporary discussions in the philosophy of science, the fact that the first Enquiry presents a radical revision of Hume's conception of geometry in the Treatise has never been explained. The present essay closely examines Hume's early and late discussions of geometry and proposes a reconstruction of the reasons behind the change in his views on the subject. Hume's early conception of geometry as an inexact non-demonstrative science is argued to be a consequence of his attempt to discredit geometrical proofs of infinite divisibility of extension by anchoring the meaning of geometrical concepts in inherently inexact qualitative measurement procedures. This measurement-based attack on the exactness and certainty of geometry is analyzed and shown to be both self-refuting and inconsistent with the general epistemological framework of the Treatise. The revised conception of geometry as a demonstrative science in the first Enquiry is then interpreted as Hume's response to the failure of his earlier attempt to discredit geometrical proofs of infinite divisibility of extension.
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  • 2
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    Source: Springer Online Journal Archives 1860-2000
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  • 3
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    Journal for general philosophy of science 29 (1998), S. 59-70 
    ISSN: 1572-8587
    Keywords: Putnam ; natural kind terms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract According to Putnam the reference of natural kind terms is fixed by the world, at least partly; whether two things belong to the same kind depends on whether they obey the same objective laws. We show that Putnam's criterion of substance identity only “works” if we read “objective laws” as “OBJECTIVE LAWS”. Moreover, at least some of the laws of some of the special sciences have to be included. But what we consider to be good special sciences and what not depends upon our values. Hence, “objective laws” cannot be read as “OBJECTIVE LAWS”. It follows that the reference of natural kind terms cannot be fixed by the world, not even partly. The final conclusion applies to a variety of realisms.
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    Journal for general philosophy of science 29 (1998), S. 361-403 
    ISSN: 1572-8587
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
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    Journal for general philosophy of science 29 (1998), S. 37-57 
    ISSN: 1572-8587
    Keywords: interdisciplinary ; extension/intension ; complexity ; subsymbolic representation ; structure of time ; three-digit relation of cognition ; postulate of relation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Theoretical gaps of the cognitive science. First of all the gap-thesis is based on a criticism 1. of the computer-orientated cognitive science (it confuses information with the information carrier), 2. of connectivism (its linguistic borrowing from the neurobiology is not appropriate), 3. of Varelas production model (the elimination of the function of representation results in the loss of the cognitive ability). From the context of meaning and time, then the author sketches a cognitive theoretical approach, in which thinking as a (symbolic and/or subsymbolic) representation of meaning is introduced, which develops in a three-digit relation between world, language and substrate on the basis of isomorphy of time.
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    Journal for general philosophy of science 29 (1998), S. 205-223 
    ISSN: 1572-8587
    Keywords: constructive philosophy of science ; discourse theory of truth ; foundation of discourse rules ; prototheories ; starting point of foundations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The pre-discoursive agreement. Theory of scientific truth and procedural justification. — On basis of the constructive philosophy of science, the attention is focussed to the pre-discoursive elements of discoursive theories of truth. By using a pragmatic approach it is shown that foundation of those pre-discoursive elements, like discourse rules or the basic terminology, is possible though the discourse rules are not available at this level. Propositions which can be shown in the presented theory to be true, always describe a know-how instead of a knowledge about the world. As a result, the relevance of the presented analysis for prototheories of scientific disciplines is investigated.
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  • 7
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    Journal for general philosophy of science 29 (1998), S. 225-244 
    ISSN: 1572-8587
    Keywords: cumulativism ; deduction and induction ; empiricism andrationalism ; fallibilism and fundamentalism ; irrationalism ; instrumentalist and realist views of scientific theories ; metaphysics ; method ; methodological maxims (strategems)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The basic (negative and positive) methodological maxims of three currents of philosophy of science (logical empiricism, falsificationism, and postpositivism) are formulated. Many of these maxims (stratagems) are controversial, e.g., the stance about the nonsense of metaphysics, and that of its indispensability. The restricted validity of these maxims allows for their unification. Within the framework of most of them there may be a relationship of (synchronic, or diachronic) subordination of the contradicting desiderata. In this vein ten stratagems are formulated.
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    Journal for general philosophy of science 29 (1998), S. 352-355 
    ISSN: 1572-8587
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  • 9
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    Journal for general philosophy of science 29 (1998), S. 141-145 
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    Journal for general philosophy of science 29 (1998), S. 147-196 
    ISSN: 1572-8587
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    Journal for general philosophy of science 29 (1998), S. 139-141 
    ISSN: 1572-8587
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  • 12
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    Journal for general philosophy of science 29 (1998), S. 197-202 
    ISSN: 1572-8587
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  • 13
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    Journal for general philosophy of science 29 (1998), S. 356-360 
    ISSN: 1572-8587
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  • 14
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    Journal for general philosophy of science 29 (1998), S. 327-345 
    ISSN: 1572-8587
    Keywords: neopositivism ; induction ; incommensurability ; historyand historiography of science ; dialectics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The paper analyses the development of some themes in the contemporary philosophy of science in Italy. Section 1 reviews the dabate on the legacy of neopositivism. The spread of the philosophy of Popper is outlined in Section 2, with particular regard to the problem of the vindication of induction. Section 3 deals with the debate on the incommensurability thesis, while Section 4 examines its consequences on the possible relationships between historical and epistemological studies of science. The last section is devoted to one of the most recent trends in the Italian philosophy of science: the resumption of Aristotelian dialectics.
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  • 15
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    Journal for general philosophy of science 29 (1998), S. 301-326 
    ISSN: 1572-8587
    Keywords: balance theories ; intertheoretical relations ; reduction ; social sciences ; structuralist reconstruction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Theory Reduction in the Social Sciences. The example of balance theories. A central topic both in philosophy of science as well as in the empirical sciences is the reconstruction of the relations between theories. In the past comparisons of theories by means of traditional linguistic methods have proved to be extremely difficult and complicated. In this article the reconstruction of intertheoretical relations based on model-theoretical terms is propagated, as formulated within the structuralist view of theories. The efficiency of a model theoretical based comparison of theories is demonstrated by two theory elements from the social science research program of balance theories: The basic element by Heider and the transitivity theory by Holland and Leinhardt. First of all both theory elements are introduced informally and reconstructed in the structuralist format. On the basis of these reconstructions can be shown, that the Heider theory can be formally reduced to the Holland-Leinhardt theory and that the theory younger in history means an improvement. However, an integration of all balance theoretical elements into a theory net is not possible.
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  • 16
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    Journal for general philosophy of science 29 (1998), S. 71-122 
    ISSN: 1572-8587
    Keywords: science ; philosophy of science ; methodology ; realism ; naturalism ; empiricism ; cognitive science ; feminism ; experiment ; scientific practice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract This survey of major developments in North American philosophy of science begins with the mid-1960s consolidation of the disciplinary synthesis of internalist history and philosophy of science (HPS) as a response to criticisms of logical empiricism. These developments are grouped for discussion under the following headings: historical metamethodologies, scientific realisms, philosophies of the special sciences, revivals of empiricism, cognitivist naturalisms, social epistemologies, feminist theories of science, studies of experiment and the disunity of science, and studies of science as practice and culture. A unifying theme of the survey is the relation between historical metamethodologists and scientific realists, which dominated philosophical work in the late 1970s. I argue that many of the alternative cognitive naturalisms, social epistemologies, and feminist theories that have been proposed can be understood as analogues to the differences between metamethodological theories of scientific rationality and realist accounts of successful reference to real causal processes. Recent work on experiment, scientific practice, and the culture of science may, however, challenge the underlying conception of the field according to which realism and historical rationalism (or their descendants) are the important alternatives available, and thus may take philosophy of science in new directions.
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    Journal for general philosophy of science 29 (1998), S. 123-127 
    ISSN: 1572-8587
    Keywords: Analytical philosophy ; hermeneutics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Report on a symposium “Analytical Philosophy of Science today”, July 23–24, 1995, in Beijing. The symposium demonstrates the actual interest and familiarity of Chinese researchers with Western philosophy of science and especially with analytical philosophizing. Main topics were diagnoses of the actual state of the art, discussion and critique of some classics and classical analytical conceptions, application of analytical thinking on hermeneutical problems, and its possible social function.
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  • 18
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    Journal for general philosophy of science 29 (1998), S. 129-131 
    ISSN: 1572-8587
    Keywords: forms of life ; language-games ; Garver-Haller-controversy ; holism ; understanding of other cultures.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Report on the symposium “The Conflict of Forms of Life in Wittgenstein's Philosophy of Language”, November 22–25, 1995, Passau, Germany. The main issues were the conflicts between different forms of human life and how Wittgenstein's later philosophy contributes to the problem of understanding of other cultures.
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    Journal for general philosophy of science 29 (1998), S. 203-204 
    ISSN: 1572-8587
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  • 21
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    Journal for general philosophy of science 29 (1998), S. 21-36 
    ISSN: 1572-8587
    Keywords: Spezielle Relativitätstheorie ; Prinzip der methodischen Ordnung ; Protophysik ; Konstruktive Geometrie ; Chronometrie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract About a methodically ordered reconstruction of the theory of special relativity. One of the main results of the theory of special relativity is that our basic concepts concerning space and time must be revised, because there is new experimental evidence. But on the other hand it was meant to move in a circular procedure, if the usual methods of measuring distances and temporal durations are refused on the ground of experimental results that are based on even these measuring methods. Thus a reconstruction of the theory of special relativity was demanded. It consists of a finite number of steps and basicly one may presuppose that each step may at best include the results of undertaken steps. This reconstruction will be discussed in this article. It begins with the socalled proto-physics (Protophysik) that reflects the production of measuring rods and clocks without recurring on the existence of other clocks or measuring rods. Then Newtonian mechanics, electrodynamics, the refinement of classical mechanics, the formalism of transforming according to the Lorentz Group and the construction of moved systems of reference are brought into a methodically correct order.
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  • 22
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    Journal for general philosophy of science 29 (1998), S. 265-287 
    ISSN: 1572-8587
    Keywords: mathematics ; mathematician ; scientific migration ; scientific mobility ; scientific affinity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Cognitive Mobility, a Macroscopic Investigation of Migration of Scientists between Research Fields Studied by Example of Mathematics. — In history of science, scientific migrations of famous scientists are well-known. Nothing is known, however, about the total of migrations between fields of science, despite the importance of scientific mobility for information transfer and exchange. In the present investigation all migrations between the major 39 subdisciplines of mathematics from 1959 through 1975 are studied in a macroscopic manner. The quantitative importance of migration for the development of mathematical fields is assessed. In an analysis of the relationship between the affinity of fields and mobility between them a „principle of least migration distance” is established. Furthermore, some aspects of a Markov-chain treatment of scientific mobility are discussed.
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    Journal for general philosophy of science 29 (1998), S. 289-299 
    ISSN: 1572-8587
    Keywords: dialetheism ; paraconsistent logic ; paradox ; infinity ; quantification ; domain principle ; Priest ; Hegel ; Cantor ; Cartwright
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The present article critically examines three aspects of Graham Priest's dialetheic analysis of very important kinds of limitations (the limit of what can be expressed, described, conceived, known, or the limit of some operation or other). First, it is shown that Priest's considerations focusing on Hegel's account of the infinite cannot be sustained, mainly because Priest seems to rely on a too restrictive notion of object. Second, we discuss Priest's treatment of the paradoxes in Cantorian set-theory. It is shown that Priest does not address the issue in full generality; rather, he relies on a reading of Cantor which implicitly attributes a very strong principle concerning quantification over arbitrary domains to Cantor. Third, the main piece of Priest's work, the so-called “inclosure schema”, is investigated. This schema is supposed to formalize the core of many well-known paradoxes. We claim, however, that formally the schema is not sound.
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    Journal for general philosophy of science 29 (1998), S. 245-264 
    ISSN: 1572-8587
    Keywords: thematic structure ; order of knowledge ; classification ofsciences ; natural sciences ; humanities ; the sciences of the artificial ; interdisciplinary complex
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The paper justifies the concept of “thematic structure” or “order of knowledge” over the traditional “classification of sciences” due to the uncertainty of many classification criteria. The thematic structure of science has, of course, various levels and various dimensions. Arguments against any forms of separating the humanities from sciences in the traditional sense of the term are presented and discussed. Equally unacceptable are attempts at sharp separation of technical disciplines and humanities. The thematic structure of humanities is not created by some material aspects but rather through the interest — or problem-oriented aspects. In addition to the natural sciences and the humanities there exists an important sphere of sciences on artefacts or, using the term by H. Simon, the sciences of the artificial. For the contemporary research activities is typical what could be denoted as “interdisciplinary or multidisciplinary complex.” The paper traces a set of epistemological criteria for the justification of the relative independence of a scientific discipline.
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    Journal for general philosophy of science 29 (1998), S. 347-352 
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    Journal of insect conservation 2 (1998), S. 247-252 
    ISSN: 1572-9753
    Keywords: Orthoptera ; grasshoppers ; katydids ; populations ; communities.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract This paper discusses orthopteran conservation in temperate and subtropical Eurasia. Distribution patterns of the orthopteran centres of diversity and endemism are described. Eleven main areas of diversity and endemism are identified. The majority of rare taxa are associated with these areas. The distribution of protected areas is discussed in relation to orthopteran conservation. Some proposals for inclusion or exclusion of certain orthopteran species on the IUCN and national Red Lists are debated. Emphasis is given to landscape heterogeneity and ecosystem mosaics for orthopteran biodiversity conservation.
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    Journal of insect conservation 2 (1998), S. 1-1 
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    Journal of insect conservation 2 (1998), S. 91-93 
    ISSN: 1572-9753
    Keywords: Maculinea arion ; Finland ; kame ; esker ; Myrmica (sabuleti) lonae
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
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    Journal of insect conservation 2 (1998), S. 3-14 
    ISSN: 1572-9753
    Keywords: ants ; communication ; parasitism ; mutualism ; specificity.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Parasitic relationships between lycaenid butterfly larvae and ants are contrasted with the more common, and ancestral, mutualistic butterfly-ant associations. Three types of lycaenid-ant parasitism can be recognized: (i) the Miletinae type (derived from predation on Homoptera); (ii) the Aphnaeini type (derived from obligate and specific mutualism or commensalism); and (iii) the Maculinea type (derived from facultative mutualism, only represented by the genera Maculinea and Lepidochrysops). Parasitic lycaenid-ant interactions are rare (37 confirmed recorded cases worldwide) and are mostly confined to single species, or small species-groups, in larger non-parasitic clades. Only the two genera representing the Maculinea type have undergone substantial radiation. Ant-parasitic lycaenids predominantly occur in highly seasonal habitats with an extended unfavourable dry or cold season. These observations suggest that (a) parasitic interactions are relatively unstable in evolutionary time, and (b) their evolution usually started with caterpillars seeking shelter in ant nests. Ecological and zoogeographical data for species of the Glaucopsychiti (of which Maculinea forms a part) are compiled and used to discuss the evolutionary origin of ant-parasitism in Maculinea butterflies in a comparative framework. These comparisons suggest that (a) Maculinea evolved from facultative unspecific ant-mutualists, (b) the loss of larval tentacle organs is primarily related to their endophytic feeding habits, (c) that Lamiaceae were the hostplants of ancestral Maculinea, and (d) that Maculinea evolved in eastern central Asia. Further phylogenetic and biogeographical analyses are required to quantitatively test these possibilities. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 47-57 
    ISSN: 1572-9753
    Keywords: Reintroduction ; Maculinea nausithous ; Maculinea teleius ; the Netherlands.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Details of a reintroduction of Maculinea teleius (scarce large blue butterfly) and Maculinea nausithous (dusky large blue butterfly) into a nature reserve in the Netherlands are given. The introduced population of M. teleius expanded during the first three years. In contrast, the newly established population of M. nausithous declined in the year after the reintroduction but expanded later. After a considerable increase in numbers, this species can nowadays be seen in two subpopulations: one in and one outside the nature reserve. Although the results are quite positive with respect to the numbers of butterflies, some alarming features have also been found. Both species, but especially M. teleius, have a very low mean minimal lifetime, which makes them more susceptible to stochastic catastrophes. While the area populated by M. nausithous is still expanding, M. teleius can only be found on the meadow where it was released and has not dispersed at all. The possible consequences of reintroductions are discussed. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 15-27 
    ISSN: 1572-9753
    Keywords: Maculinea distribution ; decline ; status.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The genus Maculinea is confined to the Palaearctic region. Four species occur from Central Europe to China and/or Japan, while M. rebeli is probably restricted to Europe. Although within many Western European countries the distribution of the species is well known, there are still many questions. The exact status of some of the species is still unclear and the amount of decline in this century is unknown. In Asia, especially within the nations of the former USSR, the distributions of species are even less well known and as a basis for good research and effective nature conservation, knowledge on these subjects is needed. © Rapid Science Ltd. 1998
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    ISSN: 1572-9753
    Keywords: environmental gradient ; extinction ; conservation ; persistence ; parasite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The lycaenid butterfly, Maculinea rebeli, and its specialist parasitoid, Ichneumon eumerus, live in small, closed populations. Given the threatened status of the butterfly, it is reasonable to assume that its specialist parasitoid is even more vulnerable to local extinction than the butterfly host. Based on a mechanistic model recently developed for the tightly-woven community surrounding M. rebeli at a site in the Spanish Pyrenees, we investigate how the removal of habitat, and more particularly, specific habitat promoting the persistence of the butterfly, affects the population persistence of the parasitoid. Because of the relatively small impact of the parasitoid on the butterfly population in the Spanish Pyrenees, guidelines for conserving the parasitoid are only slightly more restrictive than those for its host. It is argued that at sites of more marginal quality for the butterfly than the reference site, achieving the dual aims of conserving both species will be more problematic. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 79-84 
    ISSN: 1572-9753
    Keywords: captive breeding ; Maculinea ; Myrmica ; collection ; culture.
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    ISSN: 1572-9753
    Keywords: spatial modelling ; habitat heterogeneity ; Maculinea ; Myrmica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract A spatial computer simulation model has been developed to assist our understanding of the ways in which Maculinea butterflies depend upon the spatial distribution and abundance of their initial foodplant and their Myrmica host ant. It was initially derived for the Maculinea rebeli-Myrmica schencki-Gentiana cruciata system. It relates the population processes of the competing host and other ant species to an underlying gradient of habitat quality and incorporates the impact of adopted Maculinea caterpillars on the growth and survival of individual ant nests. The model was initially calibrated for a large site in the Spanish Pyrenees, but has since been successfully tested on 12 French sites and another in Spain. On such sites, with M. rebeli present, there is a close relationship between Maculinea population density and the density of the early larval foodplant G. cruciata. Optimum gentian density is estimated to be about 1500 plants ha-1 on sites with the natural clumping of gentians found. However, any site management which added extra gentians, especially if filling the gaps, is predicted to reduce the Maculinea population. Meta-population studies of single species have shown that the size and spatial arrangement of patches of assumed uniformly ‘suitable’ habitat can influence their population dynamics and persistence. Our modelling suggests that the spatial pattern of ‘suitable’ habitat of varied quality within a single site can influence the local butterfly population size and perhaps also persistence. Despite being free-ranging over the whole area, the butterfly's dynamics may depend on the arrangement of habitat quality at a finer spatial scale, due to its interactions with ant species possessing narrower habitat niches and more localized dispersal. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 139-139 
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    Journal of insect conservation 2 (1998), S. 129-129 
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  • 37
    ISSN: 1572-9753
    Keywords: species ; Myrmica ; Maculinea ; morphology.
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    Journal of insect conservation 2 (1998), S. 99-106 
    ISSN: 1572-9753
    Keywords: vacuum sampler ; sweep-net ; shrubs ; biodiversity ; arthropods.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The recent growth of conservation biology has demanded that faster and more effective measures of biodiversity be utilized. Arthropods, due to high levels of diversity and their relative ease of capture, are often the subject of such surveys. The vacuum sampler, used quite often in the context of agricultural arthropod surveys, has never been adequately evaluated or compared to more traditional collection techniques in relatively complex ecosystems. The purpose of this study was to determine whether the vacuum sampler was more or less effective than a sweep-net in measuring arthropod biodiversity in California coastal sage scrub. The results show that significantly more individuals were collected by the vacuum sampler per unit effort for three out of six orders of arthropods examined. In addition, the vacuum sampler collected a significantly greater number of arthropod species than the sweep-net technique for two out of the six orders sampled. There were no significant differences in the number of species collected for the remaining four orders. We feel these findings are important for arthropod biodiversity studies utilized for conservation efforts as the vacuum sampler can attain a level of efficiency and sensitivity (with regard to species detection) that sweep-net techniques cannot. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 131-132 
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  • 40
    ISSN: 1572-9753
    Keywords: altitudinal gradient ; cerrado ; free-feeding insect herbivores ; high altitude grassland vegetation ; sclerophylly.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The distribution of free-feeding insect herbivores in Brazilian savanna was studied in the National Park of Serra do Cipó. Insect samples were obtained with sweep nets across cerrado (savanna), rupestrian field and altitudinal grassland vegetation from 800 to 1500 m above sea level. We found a low species richness in xeric and mesic habitats during both wet and dry seasons. Sap-sucking insects were the most abundant guild (53.4%) with Cicadellidae the most abundant family (27.2%). The hypothesis that taxon richness of free-feeding insects decreases with increasing altitude was supported in xeric habitats during the wet season only, mainly as a function of mountain summit effect. There was a decrease of 65% in the number of families occurring at 1400 and 1500 m compared with lower elevations. The exclusion of sites of rupestrian vegetation at mid-elevations from the analysis increased significantly the proportion of variance explained by the model. An examination of taxon distribution using canonical variate analysis supported this result. The hypothesis that mesic habitats are richer in species of free-feeding insect herbivores than are xeric habitats was not supported. The data indicate that plant sclerophylly may exert a strong negative influence on insect species richness, and that variation due to particular characteristics of each site strongly affected the studied guilds. The present results should inform conservation strategies for the National Park Management Plan, which is currently being developed. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 133-133 
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    Journal of insect conservation 2 (1998), S. 135-137 
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    Journal of insect conservation 2 (1998), S. 95-97 
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    Keywords: lacewings ; wing venation ; developmental stability.
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    Notes: Abstract Eumantispa spp. usually show markedly asymmetrical wing venation, and this character is used in defining the genus. This is illustrated and discussed in relation to fluctuating asymmetry, which is used as a measure of environmental stress. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 217-223 
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    Keywords: conservation monitoring ; bioacoustics ; biodiversity ; Orthoptera ; tropical forests.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Songs of Orthoptera can be used for inventorying and monitoring of individual species and communities. Acoustic parameters such as carrier frequency and pulse rates allow the definition of recognizable taxonomic units (RTUs) which help to overcome the taxonomic impediment due to our scanty knowledge, particularly of tropical faunas. Bioacoustic diversity is a first estimate for species richness and provides baseline data which can be a prerequisite for conservation. Additional ecological and behavioural information such as habitat preference and singing schedules can be inferred. Many Orthoptera are sensitive indicator species for habitat quality in temperate and tropical ecosystems. Examples are given for evaluation of habitat quality and deterioration by acoustic detection of Orthoptera.
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    Journal of insect conservation 2 (1998), S. 151-159 
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    Keywords: Orthoptera ; biodiversity ; taxonomy ; conservation.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract It is estimated that only 10–15% of the world's insect fauna has been described and named. Efforts to inventory insect biodiversity are hampered by this taxonomic impediment, which is compounded by the logistical problems of an insufficient taxonomic workforce and their remote location in museums thousands of miles from the areas of highest biodiversity. Compared to most other invertebrate groups however, the taxonomic impediment is relatively benign in the order Orthoptera. This is a small to medium-sized order (approximately 20 000 described species) which is well known taxonomically, owing to the group's agricultural importance worldwide. Furthermore, orthopteran taxonomists are now fortunate to have a published up-to-date catalogue of all known species, which has just become accessible as a regularly updated database on the World Wide Web. Whilst new information technology, in the form of e-mail networks, World Wide Web sites and CD-ROM information archives, is already enhancing communication between specialists and helping to reduce the logistical problems of documenting orthopteran biodiversity, a major reinvestment in basic taxonomic research is needed if we are to reduce the existing taxonomic impediment significantly. There is general agreement that an internationally coordinated approach will be necessary and priorities must be set to tackle the biodiversity/systematics crisis. In the future, the Orthoptera can make an important contribution to invertebrate faunal surveys and have potential as an indicator taxon. Furthermore, the Orthoptera Species File establishes a taxonomic framework which could be readily enlarged to include geographic data and phenology of species from existing museum specimens.
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  • 46
    ISSN: 1572-9753
    Keywords: Core/edge-of-range populations ; niche breadth ; climate ; conservation ; myrmecophily.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Analyses were made of the habitats of the endangered myrmecophilous butterfly, Maculinea arion, and its host ant, Myrmica sabuleti, in five regions, spanning most of the climatic range of the butterfly in west Europe. Near their altitudinal or north latitudinal limits, both species are confined to warm south-facing slopes where the turf is grazed 〈3 cm tall, but at low altitudes further south, where the summer climate is 4°C warmer, the butterfly and ant inhabit ground with any aspect other than south-facing, and the butterfly is restricted to swards 〉20 cm tall. Intermediate types of habitat were used in regions with intermediate summer climates. The implications for conservation management are discussed. The fact that M. arion has a narrow niche and occupies very early successional stages near its range-edge makes it difficult to conserve in regions with cool climates. A successful example is described from one site in the UK. During 20 years of intensive management the sward structure was altered from being tall and dense to that predicted as optimal for M. arion at its range-edge. The species of Myrmica changed greatly during this period, with thermophilous ants, including M. sabuleti, supplanting cool-loving non-host species. A population of M. arion now inhabits this site. We predict that the conservation of M. arion will be easier and cheaper to achieve under the warm climates of central lowland Europe where different, less intensive, management is required. © Rapid Science Ltd. 1998
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    ISSN: 1572-9753
    Keywords: Myrmica ; Maculinea ; populations ; management ; host specificity
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    Notes: Abstract Maculinea butterflies in Europe, and probably most of Asia, are host specific social parasites of various species of Myrmica ants. The latest summary of field data showing the pattern of host specificity by Maculinea is presented. Myrmica ants have been well studied in the laboratory but much less is known about the ecology of their natural populations. While the former is important in understanding the adaptive evolution of Maculinea larval behaviours, the latter is of more practical importance to conservationists charged with the protection of specific populations of Maculinea. The current knowledge of habitat partition, colony growth and colony reproduction within communities of Myrmica ants is summarized in relation to the ecology of Maculinea species. Concepts used in current population simulation models are explained. A key concept is the idea that community structure (both number of species and size and abundance of nests) is controlled by the quantity and quality of suitable nest sites. Some advice is given to conservationists who might need to manipulate Myrmica ant populations in order to maintain a robust population of a Maculinea species. © Rapid Science Ltd. 1998
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    Journal of insect conservation 2 (1998), S. 85-89 
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    Keywords: butterflies ; Gentiana cruciata ; management ; grazing ; Bavaria.
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    Journal of insect conservation 2 (1998), S. 167-178 
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    Keywords: habitat ; anthropogenic factor ; population dynamics ; outbreaks ; Mediterranean zone.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The Moroccan locust, Dociostaurus maroccanus (Thunberg), was traditionally considered as one of the most dangerous agricultural pests in the Mediterranean (s.l.) zone. Its broad polyphagy, extreme voracity, enormous fecundity and capability to migrate in swarms made it a major enemy of agriculturists from the Canary Islands to Afghanistan. However, outbreaks of the Moroccan locust seem to have been more frequent in the past and, in many regions, the species has become rare. Climatic factors, in particular the amount of spring rainfall, are critical for the developmental cycle of D. maroccanus. However, anthropogenic factors appear to have the most powerful effect on the locust's population dynamics. On the one hand, deforestation and overgrazing create the necessary prerequisites for colonization by the Moroccan locust. On the other hand, converting grasslands into croplands makes the habitat totally unsuitable for the insect because females can lay eggs into undisturbed soil. These two conflicting tendencies appear to govern the current evolution of Moroccan locust populations, their manifestations being different according to the geographical zone. Although in some regions (e.g. in many European countries) D. maroccanus has lost its formerly high economic importance, in others (North African and central Asian countries) the species continues to flourish and may even increase its pest status.
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    ISSN: 1572-9753
    Keywords: orthopteran conservation ; Prionotropis ; grasshopper ; Pamphagidae ; protected species.
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    Notes: Abstract Prionotropis hystrix rhodanica Uvarov, 1923 is a protected grasshopper, endemic to the Crau plain area (a few thousand square kilometres), in southern France. It is restricted to a specific and very characteristic type of vegetation, locally called ‘coussou’.This biotope is currently being increasingly fragmented. This subspecies could disappear in a few years as a consequence of the increase in agricultural areas and of industrial parks. It is necessary to adopt measures rapidly for ameliorating the loss of this biotope. It is of prime importance to stop the increase of new agricultural or industrial areas, to create nature reserves for maintaining areas of natural ‘coussou’, particularly large fragments (more than 1000 ha) and to implement cultivated land remediation. Areas that are too small, too disturbed or too isolated will not be sufficient to ensure the survival of this brachypterous, highly sedentary and vulnerable grasshopper.
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    ISSN: 1572-9753
    Keywords: conservation ; captive breeding ; reintroduction ; Gryllus campestris ; Decticus verrucivorus.
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    Notes: Abstract The development of ex situ conservation work for Orthoptera is demonstrated by examples of two captive-breeding programmes at the Zoological Society of London. The field cricket Gryllus campestris and wart-biter bush cricket Decticus verrucivorus are both species that have been bred in captivity and reintroduced to field sites in attempts to strengthen dwindling wild populations. Despite a similar approach to both programmes, we have encountered significant differences in the practical applications of the captive management process for the two species. By reviewing these breeding programmes, we examine some of the practical considerations associated with ex situ orthopteran programmes and compare some of the different elements that can influence programme success.
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    Journal of insect conservation 2 (1998), S. 235-246 
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    Keywords: orthopteroids ; Seychelles ; threatened ; island fauna.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Although they are conspicuous components of the native fauna, the orthopteroid insects of the Seychelles islands have attracted little attention from ecologists and conservationists throughout most of the twentieth century. Yet, at a complex crossroads, where the Afro-tropical, Malagasy and Oriental faunal regions overlap, they are potentially valuable biogeographical indicators in a region with an extremely complex palaeogeography. The taxonomic isolation of a number of species, incipient speciation among others, as well as possible interisland divergence in some cases make them worthy subjects of evolutionary studies. Most of the endemic species are indicators of undisturbed habitats and some play a role in food chains as the prey of endemic birds and hunting wasps (Sphecidae). The Seychelles orthopteroids are vulnerable to habitat disturbance caused by human activity and are now mainly confined to patches of native vegetation. They are threatened by further encroachment and by introduced predators and competitors.
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    Journal of insect conservation 2 (1998), S. 277-278 
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    Journal of insect conservation 2 (1998), S. 253-261 
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    Keywords: Orthoptera ; insecticide ; biological control ; pest management.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Although the vast majority of orthopterans are not pests, some species have the potential to cause serious damage to human interests. Management of pest populations frequently conflicts with conservation of orthopteran species and processes, particularly when the pest species or its ecological processes are susceptible to extinction or when the pest population is coincident with non-target orthopterans. With respect to chemical control, the greatest hazards are the broad-spectrum, highly lethal properties of most agents, which can be mitigated with formulation and application methods. Biological control risks permanent, large-scale changes to orthopteran species and processes which can be minimized with bioinsecticidal and other short-lived or selective formulations and reliable host-range testing. Cultural control may have large-scale, broad-spectrum impacts to non-target orthopterans, but these hazards can be diminished by appropriate testing and monitoring. Mechanical control methods may be impractically labour intensive, but they are highly target specific and therefore warrant further consideration. Social control measures such as education, insurance and compensation programmes appear to have little direct potential for harm to orthopteran conservation, but the complex socioeconomic and, ultimately, environmental consequences of such programmes have not been assessed. The melding of orthopteran pest management and conservation requires that we perceive these insects and their ecological processes to be vital elements of sustainable agroecosystems. Our management of orthopterans (both non-target and pest populations) must focus on keeping good stewards on the land.
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    Journal of insect conservation 2 (1998), S. 141-141 
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    Journal of insect conservation 2 (1998), S. 281-282 
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    Journal of insect conservation 2 (1998), S. 143-149 
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    Keywords: Orthoptera ; conservation ; pests ; paradoxes ; biodiversity.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Orthoptera species and assemblages vary enormously in biology, abundance, population variability and geographic range. This means that some are major pests but others are threatened with extinction or are extinct through human agency. Most pest species are in the Acrididae, yet proportionately more threatened species are in the less speciose families. Pest Orthoptera species are unusual on islands, which nevertheless support several threatened non-acridid species. In contrast, continental species of Acrididae and Tettigoniidae are the ones principally threatened. Many of the threatened Orthoptera species are confined to a small geographical area and are highly threatened by anthropogenic impacts that coincide with their small ranges. Yet some formerly widespread pest taxa have become extinct. Genetic polymorphism to a solitary phase appears to be an extinction-avoidance mechanism. While ‘classically’ threatened point endemics can receive conservation action, not much can be done for the periodically at risk abundant species. Preservation of orthopteran biodiversity is a complex and paradoxical task.
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    Journal of insect conservation 2 (1998), S. 195-199 
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    Keywords: Orthoptera ; Anostostomatidae ; Deinacrida ; translocation ; conservation.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Experiences from the first efforts to translocate an orthopteran, the Mahoenui giant weta (Deinacrida sp.), are described. Some of the problems included monitoring at low densities, transferred weta dispersing and coordinating the different components of the translocation programme over a long period of time. Options for translocation are discussed, such as using wild-caught or captive-bred animals. Techniques of release, such as immediate release or using an enclosure on the release site, allowing transferees to breed, then releasing their progeny, are also discussed. It was concluded that the latter was probably the most effective approach to translocation.
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    Journal of insect conservation 2 (1998), S. 179-185 
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    Keywords: orthopteran conservation ; Trimerotropis infantilis ; habitat conservation planning.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Orthopteran species are increasingly threatened with extinction in the wild. I review the state of orthopteran conservation in the wild, focusing on unique challenges facing these efforts. To provide a basis for discussion, I first review conservation efforts for Trimerotropis infantilis, the Zayante bandwinged grasshopper, which was the first orthopteran given official protection under the U.S. Endangered Species Act. I then address the principal challenges for orthopteran conservation. Successful conservation of Orthoptera in the wild will require motivation for conservation action, availability of basic biological information, and development of applied management programmes.
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    Journal of insect conservation 2 (1998), S. 161-166 
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    Keywords: mammalian predators ; body size ; daytime refuges ; vagility ; threat posture.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The large (4 g) to very large (40 g) stenopelmatid orthopterans of New Zealand are known collectively as weta. A consideration of 20 species of Hemideina, Deinacrida and tusked weta reveals that at one end of a vulnerability gradient are those species which thrive in the presence of key predators (rats), while at the other end are species that have become extinct on the mainland but still survive on predator-free island refuges. Habitat modification does not appear to be a factor in these extinctions. This paper reviews the lifestyles and some important biotic parameters that seem to determine their relative vulnerability along this gradient. When predators are present, the factors leading to extinction are large body size, use of temporary refuges, protective quality of the refuges, time spent on the ground and the effectiveness of their defensive behaviour.
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    Journal of insect conservation 2 (1998), S. 211-216 
    ISSN: 1572-9753
    Keywords: conservation ; crickets ; China.
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    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Several species of Tettigoniidae and Grylloidea are collected and traded as singing or fighting insects in China. There is anecdotal evidence that this trade is causing a reduction in the ranges and populations of some species. However, before any conservation status can be assigned to any species reliably, it will be necessary to reconcile the long-established traditional classification system of singing and fighting insects with scientific classification, determine the ranges and monitor the populations of selected species of commonly traded species, and initiate an educational programme for invertebrate conservation using these crickets as flagship taxa.
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    Journal of insect conservation 2 (1998), S. 225-234 
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    Keywords: Orthoptera ; Neotropics: biodiversity, conservation ; wet forest habitats.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Seventy-five per cent of the acridomorph fauna of Costa Rica is confined to the wet forest environment. This habitat also has a disproportionately large proportion of species which are of restricted distribution within the country or are endemic to Costa Rica or are flightless. The grasshoppers of dry forest, grassland and swamp habitats have in general the reverse properties: they include relatively few species and most of these are capable of flight and are widely distributed both within and outside of Costa Rica. The major factor influencing the long-term survival (or, conversely, the extinction) of the major part of the grasshopper fauna of Costa Rica is likely to be the preservation (or destruction) of the wet forest habitat.
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    Journal of insect conservation 2 (1998), S. 279-279 
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    Journal of insect conservation 2 (1998), S. 263-276 
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    Keywords: grasshopper assemblages ; insecticide impact ; bushhoppers ; vagility ; brown locust control.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract In most locust or grasshopper control programmes, the proximate aim is to suppress grasshopper numbers. However, in the semi-arid Karoo, South Africa, only the brown locust (Locustana pardalina) has significant pest status. Non-target grasshoppers form a conspicuous and important part of the Karoo ecosystem, many being endemic. Grasshopper diversity was monitored in treated and untreated plots (0.25 ha) to establish the impact of spraying. Grasshopper abundance was significantly reduced one day after treatment. Vagile species recovered by immigration from the surrounding areas following the breakdown of chemical residues. Endemic apterous bushhoppers with low vagility recovered the following season after rainfall triggered hatching. Grasshopper numbers hatching in treated plots were significantly lower than in untreated plots the following summer season because of a reduction in the number of individuals in the preceding generation. However, species composition was similar to untreated plots and this reduction is unlikely to have significant, long-term biological effects in such small treated areas (0.25 ha being usual for hopper band control). The rate of recovery of grasshoppers, particularly bushhoppers, was linked to rainfall indicating that the timing of control relative to rainfall is important. Grasshopper assemblages are potentially useful indicators of the effect of chemical locust control in the Karoo.
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    Archives and Museum Informatics 12 (1998), S. 81-88 
    ISSN: 1573-7500
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    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
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    Archives and Museum Informatics 12 (1998), S. 39-79 
    ISSN: 1573-7500
    Keywords: classification ; thesauri ; encyclopedia ; Web ; XML
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    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Cataloguing artworks relies on availability of classification schemes, often represented by hierarchical thesauri. After commenting on the limitation of current practices and tools, we propose a new approach for the cooperative production of multilingual and multicultural classification schemes, exploiting some features of the oncoming XML-based Web.
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    Archives and Museum Informatics 12 (1998), S. 1-2 
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    Archives and Museum Informatics 12 (1998), S. 171-176 
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    Archives and Museum Informatics 12 (1998), S. 221-234 
    ISSN: 1573-7500
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    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Issues arising from using EAD forsmall-scale retrospective conversion ofnon-standardized item level finding aids for a broadrange of materials.
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    Archives and Museum Informatics 12 (1998), S. 205-219 
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    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract The emergence of Encoded Archival Description (EAD) has ledto increased access to primary source materials such as personal and corporate papers, and government archives.Though initially developed to electronically encode such paper-based archives, EAD is now being exploredas a tool for cataloging large collections of primarysource visual materials, such as photographs and worksof art, and making them accessible on the internet.The Honeyman Collection Digital Archive project,carried out by The Bancroft Library at the Universityof California at Berkeley, was one of the first largecollections of primary source visual materials to be fullycataloged and encoded using EAD. In cataloging the collection,the project sought to incorporate cross-community descriptivestandards and practices, as well as providing highly detailedrecords for each item in the collection. This paper will describe that project and the standards that wereemployed. The resulting digital archive has demonstratedthat EAD is a viable option for handling large collectionsof primary source visual materials, and that implementationof shared standards and practices is possible and can move uscloser to the goal of improved access.
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    Higher education 35 (1998), S. 120-122 
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    Higher education 35 (1998), S. 360-361 
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    Higher education 35 (1998), S. 364-366 
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    Higher education 35 (1998), S. 423-433 
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    Notes: Abstract Education banking is a rarity in the whole world. However, there are organisations in the United Kingdom and the United States of America whose operations are akin to the Nigerian Education Bank in the areas of student lending. The role of the Nigerian Education Bank in the Nigerian educational system is three-fold: The Bank is to serve as a major intermediary in Nigeria's education credit market; it is designed to harness private sector resources for the funding of education; and its takeover of part of the educational funding responsibilities will enable the Nigerian Government to rechannel its scarce resources to other pressing areas of the economy. The main and specific functions of the Bank include, among others: student lending, lending for publishing, equipment leasing, project financing, funds mobilization and provision of advisory services for educational purposes. Some prescriptions are incorporated to fine-tune the operational modalities. The article highlights the comparative experience of several countries in Africa, Asia, Europe and the Americas in the key area of student financing. It recommends the active participation of Nigeria's private sector in educational financing, and the strengthening of the student lending scheme through resources from petroleum, higher education tax and value-added tax.
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  • 75
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    Notes: Abstract Applications submitted to the Australian Research Council Large Grants Scheme in five discipline groups were examined with a view to determining the extent of influence of biographical and academic “track record” variables on ratings by independent assessors (peers) and on final outcomes as determined by the Council's discipline review panels. Variables considered included age, gender, type and status of position, institutional base, previous grants history and publication records of the applicants. Age and gender of the applicants did not have a significant impact on outcomes. Those in research only positions were rated more highly, and those in more prestigious institutions were more likely to win support, but these factors were partly accounted for by the more impressive publication records of these groups. The academic status of the applicant was, however, found to make a significant contribution to an explanation of the variance in independent assessor's ratings of the strength of the researcher, along with but additionally to that contributed by publication components of their track record. Assessor's ratings of the strength of the proposal were, as would be expected, the major influence on the final decisions made by review panels, although academic status of the applicant did, again, make a small but significant additional contribution to an explanation of variance in outcome. These results lend some support to the idea that the “Matthew effect”, or theory of accumulative advantage, has some impact on peer and panel review of applications within the highly competitive arena of Australian Research Council large grants.
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    Higher education 36 (1998), S. 109-111 
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    Higher education 36 (1998), S. 43-66 
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    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract This study attempts to offer practical explanations on how to move recurrent resources from areas where there is overspending to where there is underfunding with respect to the costing parameters recommended for Nigerian Universities by the National Universities Commission (NUC). Supplementing available data from files and documents of universities as well as from the NUC with an interview with top officials from six of the ten sampled universities stratified according to age and geographical location, a regression model was used to relate the 1991/92 expenditures per student with eight explanatory variables; namely: enrolment size, junior/teacher ratio, goods costs per student, type of curriculum offered, grant-effectiveness ratio, and spending deviation. Using a descriptive statistics, it has been revealed that there were overspending on general administration, general academic and retirement benefits at the expense of research and public service. Furthermore, the study shows that non-NUC grants, gifts and external aid require further tapping to supplement the NUC which supplied over 80 percent of the total revenue. The regression equations predict that by increasing the enrolment size as well as the junior staff ratio; and by reducing non-academic/academic staff ratio; the student/teacher ratio, the goods cost per student, the curriculum cost and the spending deviation, it will be possible to increase the average expenditure on research and public service hitherto neglected and simultaneously reduce unit administrative supports costs.
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    Higher education 35 (1998), S. 267-283 
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    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract This study analyzes the career patterns of a cohort of faculty members in a large Israeli university and shows that women constitute a small minority in that university, and that their rank advancements are fewer, slower, and lower than men's. We examine three possible explaining mechanisms: (a) "Thresholds" - according to which after women cross a certain barrier, differential career development on the basis of gender disappears or is, at least, greatly reduced. (b) "Ceilings" - according to which women's advancement is curbed before they reach the highest rank. (c) "Hurdles" - according to which women, as compared to men, are confronted by more obtrusive barriers at each step of the academic career. We found that no threshold could be detected after which gender differences are reduced and that the ceiling effect may be a by-product of women's extended career paths. Rather, the analysis of the case study suggests that women's career trajectories are characterized by "hurdles", i.e., at each rank they stay longer and their advancement probability is lower than men's even when their publication rates are taken into account.
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    Notes: Abstract A sample of 206 second-year Education students completed questionnaires on issues relating to their preparation for and perceptions of two methods of assessment of the same course: an assignment essay and an end-of-course multiple choice question (MCQ) examination. The questionnaire required a simultaneous response for each assessment method to statements focusing on their learning approaches, their perceptions of the levels of intellectual abilities being assessed, and their preference for either the assignment essay or MCQ examination as an assessment method of the course and the reasons for their choices. The above variables were analysed in relation to each other and to performance outcome in both assessment tasks. Results suggest distinct patterns according to assessment method. Students were more likely to employ surface learning approaches in the MCQ examination context and to perceive MCQ examinations as assessing knowledge-based (lower levels of) intellectual processing. Poorer performance in the MCQ examination was associated with the employment of deep learning strategies. In contrast, students were more likely to employ deep learning approaches when preparing their assignment essays which they perceived as assessing higher levels of cognitive processing. Poorer performance in the assignment essays was associated with the employment of surface strategies. The implications of these findings are discussed.
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    Higher education 35 (1998), S. 475-476 
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    Higher education 35 (1998), S. 476-477 
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    Higher education 36 (1998), S. 1-19 
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    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract This paper is part of a program to study organisational effectiveness in higher educational institutions in the UK and Australia, and to compare the results with work conducted by Cameron (1981, 1986) in the USA. Cameron's work empirically derived and confirmed nine effectiveness dimensions and offered a typology of four institutional groups. In the UK, following surveys of the perceptions of senior academics and administrators concerning their own institutions, Lysons and Hatherly (1992, 1996) obtained results highly consistent with those of Cameron, and their analysis also supported a typology of four groups, namely classical redbrick universities, former polytechnics, former colleges of technology and 60's greenfield universities. An important further issue is the external validity of such effectiveness research particularly when discriminating between various categories of institutions. This paper uses data derived independently of the perceptual survey data to predict and confirm the taxonomy of four institutional groups already established in the prior UK research. These data come from the research ratings of the Universities Funding Council (UFC) and the Times Good University Guide. The Times data includes objective statistical data about each institution whilst the UFC ratings are based on the expert judgements of research assessment panels with representation from a range of institutions. The typology of four institutional groupings confirmed by the data analysed in this paper is consistent with the competing values explanations for organisational taxonomies (Quinn and Rohrbaugh 1983; Lysons 1993).
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    Higher education 36 (1998), S. 139-153 
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    Higher education 36 (1998), S. 383-420 
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    Higher education 36 (1998), S. 449-469 
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    Notes: Abstract Interviews with forty six undergraduate students enrolled in either first or third year of a Bachelor of Education explored how they conceptualised and undertook an essay writing task. The conceptual structure of their essays was analysed using the SOLO Taxonomy. Comparisons between students who wrote essays of differing levels of complexity revealed that there were major differences between students at every stage of the essay writing process. Compared to students writing essays with simple conceptual structures, students writing more complex essays engaged in processes of reconstruction rather than “knowledge telling”, put more effort into finding references, used organisational systems for integrating their notes according to topics or themes, built “arguments” rather than presented “information” when structuring and drafting their essays, were concerned with improving ideas and arguments as well as mechanics when revising their essays, had a more sophisticated understanding of the concepts underlying the assessment criteria, and expected and received higher grades. The results suggest a developmental process in underlying conceptualisations of both the body of knowledge forming the content of the essay, and the essay writing processes themselves. As such, attempts to improve students' essay writing skills need to shift from a focus on discrete skills to an emphasis on the relationship between students' understanding of the content and their ability to write about it. As part of the writing process, students need help building understandings representing the body of knowledge they are writing about, and this help needs to be geared to their current level of operation.
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    Higher education 36 (1998), S. 437-447 
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    Notes: Abstract The background of the project ’Problem Based Learning in Environmental Sciences' was a dissatisfaction with the lack of inspiring connections between current research and undergraduate education. The PBL approach was adopted in order to raise the level of activity in undergraduate learning. Another reason was the emphasis on problem orientation in PBL which includes an important proportion of interdisciplinarity in finding appropriate solutions to environmental problems. The aim of this study was to evaluate the implementation of PBL in environmental education from the teachers' perspective. Seven teachers were interviewed. The interviews were transcribed and subject to a qualitative analysis. The teachers were in general positive to continue to work with the PBL program. They appreciated the closer contact with the students. Difficulties experienced comprise a lack of consensus amongst the teachers and lack of time for discussion and planning during the project. The teachers conceived of the essence of PBL either from a learning perspective or a teaching perspective. Characteristic of the learning perspective is a focus on the students' learning process, while in the teaching perspective focus is on the methodological teaching aspects of PBL. There were also two different perspectives on the teacher's role as a tutor in PBL, that are categorised either as a supportive role or a directive role. Characteristic of the supportive role is an integrated view of the tutors' role. The students' activity, responsibility and influence on the education was emphasised. The supportive tutor's role was mainly focusing the group process. The directive tutor's role were characterised by a restricted view or uncertainty of the teacher's role in PBL. The different ways of conceiving PBL may explain some of the experienced difficulties amongst the teachers.
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    Research in higher education 39 (1998), S. 121-142 
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    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Part-time faculty can make substantial contributions to institutions because they represent a flexible resource that allows the institution to respond more effectively to the environment. An area of concern is whether the part-time status imparts a level of commitment to teaching that undermines educational quality. This study examines one component of part-time faculty's teaching commitment by considering their efforts toward the practice of developmental advising.
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    Research in higher education 39 (1998), S. 217-217 
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    Research in higher education 39 (1998), S. 219-234 
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    Notes: Abstract In this essay the author views a collection of scholarship as a source of lessons related to institutional practice and considers how institutional planners and other administrative leaders can use such ideas. The collection includes “Balancing Acts: Dilemmas of Choice Facing Research Universities,” by Jonathan Cole; “Crafting Strategy,” by Henry Mintzberg; portions of the book In Over Our Heads: The Mental Demands of Modern Life, by Robert Kegan; “Collegiality: Toward a Clarification of Meaning and Function,” by James Bess; and ”On the Nature of Institutional Research and the Knowledge and Skills It Requires,” by Patrick Terenzini. Although the author draws from experience at one research university, the conclusions may prove useful to those who plan for the future of other higher education institutions.
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    Research in higher education 39 (1998), S. 319-335 
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    Notes: Abstract A sample of factors presumed relevant to thetime required to complete doctoral degrees (TTC) wasexplored in a survey of 154 recent graduates of NaturalScience, Social Science, and Humanities doctoral programs at York University. In addition to thevariables of gender and discipline, characteristics ofthe supervisory relationship, as well as the graduate'sfinancial situation and enrollment status, were investigated. On average, respondents took5.94 years to complete their degrees with students inthe Natural Sciences the fastest completers. Althoughthere were no significant gender differences in TTC, male graduates were more satisfied withtheir doctoral education overall and the quality ofsupervision they received (from both their supervisorsand their supervisory committees) than were females. Males were also more likely to collaborate withtheir supervisors in the preparation of research papers.With respect to financial support, respondents who wereslower completers reported receiving more years of teaching assistantships. Additionally,respondents from the Natural Sciences reported receivingmore years of teaching assistantships and researchassistantships than respondents from the other disciplines. A multiple regression analysisrevealed that the following combination of variablesaccounted for 30% of the variance in TTC: beginning thedissertation research early in the program, remaining with the original topic and supervisor, meetingfrequently with supervisor, and collaborating withsupervisor on conference papers.
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    Research in higher education 39 (1998), S. 143-162 
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    Notes: Abstract The present study explored two distinct methods of calculating a precise measure of gender-based wage differentials among male and female faculty. The first estimation considered wage differences using a formula based on human capital, while the second method included a compensation for past discriminatory practices. Each of the two formulas was used to derive a precise indication of wage differences for each female respondent in a nationally represented database. Both measures of wage differentials were used in multiple regression equations to predict three specific aspects of affective outcomes. Findings suggested that only differences in human capital should be considered in predicting job satisfaction and intent to remain in academe. However, a formula that included a compensation for past discriminations was more appropriate in predicting job-related stress. Differences in explained variance magnified the importance of choosing an appropriate calculation method.
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    Notes: Abstract This study uses data from the 1995-96 Graduate Experience Project to explore differences among, and possible predictors of, academic self-confidence, academic self-efficacy, and outcome expectations of entering graduate students in science and engineering. The results suggest that at time of entry, women and U.S. minority graduate students entered with similar academic credentials and academic expectations as their Anglo male peers. Further, gender was not found to be a significant factor in predicting academic self-confidence, academic self-efficacy, or careerrelated outcome expectations. Rather, student perceptions of academic preparedness, status-related disadvantages, and expectations about faculty/student interactions emerged as significant predictors of academic self-efficacy and career-related outcome expectations.
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    Notes: Abstract Students from two colleges (n = 546) differing in admission selectivity completed measures of academic procrastination and excuses. Procrastination was higher among students at the selective college than students at the nonselective college. Academic procrastination was motivated by task aversiveness for students at the selective college and by fear of task failure and fear of social disapproval for students at the nonselective college. At the nonselective college only, procrastinators compared to nonprocrastinators reported more often using both legitimate and fraudulent excuses in college and during the current semester. Participants reported that excuses were self-generated for the purpose of gaining more assignment time and that most instructors did not require proof for excuses. The characteristics of courses and instructors likely to promote excuse-making by both procrastinators and nonprocrastinators also were examined. These results reflect the need by administrators and personnel to consider individual and situational differences when implementing student-centered intervention programs.
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    Research in higher education 39 (1998), S. 275-297 
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    Notes: Abstract This article presents the results of two studieshypothesizing that nonintellectual learning dispositionsare as important as intellectual assets in predictingthe success of college students. The first study was conducted with a low-risk francophonepopulation (N = 298) and indicated that the Test ofReactions and Adaptation in College (TRAC:nonintellectual dispositions) predicts the collegesuccess of first-year students above and beyond thatpredicted by the high school rank (academicdispositions) and a French-language measure of aptitude(intellectual dispositions). The latter measure added noadditional variation to the high school rank in predictingsuccess. These results were replicated in a second studyconducted with an American student population who wereacademically at risk (N = 179) and using the Scholastic Aptitude Test as a measure ofintellectual dispositions. Findings are discussed interms of their implications for selection, screening,and intervention for first-year collegestudents.
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    Research in higher education 39 (1998), S. 337-364 
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    Notes: Abstract In this paper, I empirically study the effect ofeconomic literacy at the high school level on students'intention to attend college. Using a multinomial logitmodel and the data from the National Assessment of Economic Education survey, I find that astudent's perception of the helpfulness of economics inthinking about getting more education positively affectsthe intention to attend college. Other factors found to be influential include ethnicbackground, academic ability, performance in highschool, parents' education, per capita personal incomein a student's county of residence, and tuition ofvocational/two-year colleges in the student's home state.
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    Research in higher education 39 (1998), S. 235-274 
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    Notes: Abstract A review was conducted of the results of 107studies of the prevalence and correlates of cheatingamong college students published between 1970 and 1996.The studies found cheating to be more common in the 1969-75 and 1986-96 time periods thanbetween 1976 and 1985. Among the strongest correlates ofcheating were having moderate expectations of success,having cheated in the past, studying under poor conditions, holding positive attitudes towardcheating, perceiving that social norms support cheating,and anticipating a large reward for success. However, animportant limitation on the conclusions drawn from this research is that many variables wereincluded in only one or a few studies. A model of theantecedents of cheating is proposed and the implicationsof this model for the identification of students at risk for cheating and controlling cheatingare discussed.
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    Research in higher education 39 (1998), S. 299-318 
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    Notes: Abstract Academic disciplines with soft paradigmaticdevelopment tend to have an affinity for more readilyenacting practices designed to improve undergraduateeducation than do hard paradigmatic developmentdisciplines. This study extends the affinity disciplinehypothesis to Chickering and Gamson's seven principlesof good practice. The affinity discipline hypothesisgarners empirical support for four of the sevenprinciples of good practice: encouragement offaculty-student contact, encouragement of activelearning, communication of high expectations, andrespect for diverse talents and ways of knowing.Implications for theory and practice are suggested by the findings ofthis study.
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    Research in higher education 39 (1998), S. 365-384 
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    Notes: Abstract This study examined the differences in the epistemological beliefs of college students across major fields of study. Beliefs in fixed ability, simple knowledge, quick learning, and certain knowledge were assessed for 290 students attending a large urban public university. Major fields of study were classified in domains of study according to the hard-soft and pure-applied dimensions of Biglan's well-known classification of academic fields. Additional analyses examined the effects of gender, age, year in college, and GPA. Results indicated that students majoring in pure fields were less likely than those in applied fields to hold naive beliefs in simple knowledge, quick learning, and certain knowledge, and students majoring in soft or pure fields were less likely than others to hold naive beliefs in certain knowledge. Gender, age, and GPA were also related to students' beliefs. The results of this study suggest that students' beliefs about the nature of knowledge and learning are related to the disciplinary contexts in which students select and experience their specialized coursework in college.
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    Research in higher education 39 (1998), S. 43-63 
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    Notes: Abstract To what extent do differences in regulatory climate among states influence the satisfaction levels of campus managers? This study first measures the financial, personnel, and academic dimensions of state regulation, and examines the extent to which university and state characteristics have an effect on the regulatory climate and administrative flexibility granted to campuses. Second, the research analyzes the dimensions of managerial satisfaction and tests the hypothesis that the state's regulatory climate exercises an influence on the satisfaction levels of managers who are in functional areas impacted by state control. An array of organizational, individual, and work climate variables is used as controls. Atmospheres of administrative teamwork and interpersonal stress appear to exert the strongest positive and negative influences on administrative satisfaction.
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    Research in higher education 39 (1998), S. 101-101 
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