Analysis of Students’ Misconceptions Using the Certainty of Response Index (CRI) on the Concept of Work and Energy in SMA Negeri 1 Gorontalo Utara After Online Learning

Research has been conducted on students' misconceptions on physics, especially on the concepts of effort and energy in high school. The targets of this study were students of class X Ipa 1 in SMA Negeri 1 Gorontalo UtaraThe sampling technique is to choose a class that is very active in the school where the research is located. There were 26 students involved in this study. There are 4 concept indicators, namely the concept of work, the concept of energy, the concept of work and energy relations and the law of conservation of mechanical energy. This study aims to determine students' misconceptions on work and energy materials in SMA 1 Gorontalo Utara. The identification of students' misconceptions was carried out using the Definty of Response Index (CRI) to easily see the level of misconceptions, questions made in the form of multiple choice tests or objective questions with a total of 20 items. From the results of the analysis that has been done shows that the indicator of the work concept of students experiencing a misconception of 45%, while the concept of energy of students xeperiencing a misconception of 60%, the concept of work relationships and energy of students experiencing a misconception of 30%, and the legal concept conservation of mechanical energy of students experiencing a misconception of 35%.