Identification of misconceptions in geography using the three-tier diagnostic test

Misconceptions can occur in all subjects, including in geography. Three-tier diagnostic test is an instrument that cannot only be used to determine the level of understanding of concepts, but also can identify misconceptions in geography on earth dynamics subject matter by using three-tier diagnostic test. The study uses a quantitative approach, with data analysis technique, with data analysis technique use descriptive statistic. The study was conducted in Madrasah Aliyah Negeri Model (Islamic Senior High School) Banda Aceh with the subject of study were 70 students of Social Sciences Class. Data collection is done through three-tier diagnostic test that has been tested for validity and reliability. The results showed that 30.5% of students did not understand the concept, 26.5% of students have misconception, and 5% of students give wrong answer. Based on study finding, it is suggested to the teacher to be able to prepare well the learning particularly on earth dynamics subject matter, such as by implementing learning methods that are suitable with characteristics of learning subject and by using learning media so that students' understanding of concepts increases.