Using a three-level diagnostic test instrument to detect student misconception: A case of the concept of heat.

This study aims to: (1) determine the level of misconceptions of male students in grade VII of a State Junior High School in Lamongan Regency on the subject of heat case physics by using a three-level test. (2) Knowing the level of misconceptions of class VII junior high school students in Lamongan Regency on the subject of heat case physics by using a three-level test. (3) Knowing the level of misconceptions of seventh grade junior high school students in Lamongan Regency on the whole science subject by using a three-level test. This research is a qualitative descriptive study. The sample of this study consisted of 300 seventh grade students in 10 different schools in Lamongan Regency, with 163 female students and 137 male students. The research instrument used was a diagnostic instrument and interview guide. The three-tier diagnostic instrument consisted of 20 questions. Each question consists of three levels, namely the first level is the usual choice of answers, the second level is the choice of reasons, and the third level is the level of confidence in the answers and reasons. Based on the results of the study, it was shown that: (1) The level of misconceptions of male students in grade VII of SMP Negeri in Lamongan Regency on the subject of heat case physics using a three-level test was included in the high category of 67%. (2) The level of misconceptions of seventh grade junior high school students in Lamongan Regency on the subject of heat case physics using a three-level test is in the high category of 64%. (3) The level of misconceptions of seventh grade junior high school students in Lamongan Regency in all subjects of hot case science using a three-level test is in the high category of 66%. [ABSTRACT FROM AUTHOR]