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Abstract

This study aims to determine what misconceptions experienced by students on the topic of reaction rates through diagnostic tests accompanied by interviews and determine the effectiveness of POGIL learning with cognitive conflict strategies in improving misconceptions. The research design used was one group pretest posttest research. The subjects in this study were 32 students of class XI one of the high schools in Sidoarjo who had obtained the reaction rate material. Student misconception data was obtained through a diagnostic test and confirmed by interview. The effectiveness of remidial learning is measured by comparing the percentage of students who experience misconceptions before and after treatment is given. The results showed that the misconceptions found at each subject were the basic concept of the reaction rate of 50%, the reaction rate was 59%, the reaction order was 44%, the collision theory was 38%, while the factors that influenced the findings were the misconceptions found on the main discussion of temperature factors by 41%, a concentration factor of 25%, a surface area factor of 75%, and a catalyst factor by 41%. POGIL learning with cognitive conflict strategies is classified as having a high level of effectiveness in reducing misconceptions.

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