Problem solving ability is the ability of individuals to use their thinking processes to solve problems through the stages of understanding the problem, planning problem solving, implementing problem solving, and re-examining solutions. The purpose of this study is to determine the problem solving ability of students using the ICARE model and to determine the differences in problem solving abilities. The type of research used is experimental research with a quasi-experimental design "Nonequivalent control group design" with the "Posttest only control group design" model. The population of this study is all students of class X IPA SMA Negeri 1 Tambang for the academic year 2021/2022 with a sample of 59 students consisting of class X IPA 1 as the control class, which consists of 31 students and class X IPA 2 as the experimental class. 28 students. The data collection instrument was in the form of a test of momentum and impulse problem-solving skills for class X SMA which consisted of 5 essay questions. The data analysis used is descriptive analysis through the results of students' problem solving abilities and inferential analysis through normality test, homogeneity test and independent sample t test with the help of SPSS version 23. The results show that the results of students' problem solving abilities in the experimental class are better than the experimental class. control and there are differences in the results of problem solving abilities between the experimental class that applies the ICARE model and the control class that applies the conventional learning model. Keywords: Problem Solving Ability, ICARE Model, Momentum and Impulse
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