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A Formative Assessment Model Of Critical Thinking In Mathematics Learning In Junior High School, R Rosnawati, Badrun Kartowagiran, Jailani Jailani
A Formative Assessment Model Of Critical Thinking In Mathematics Learning In Junior High School, R Rosnawati, Badrun Kartowagiran, Jailani Jailani
REID (Research and Evaluation in Education)
This study aims to obtain a valid and reliable formative evaluation model of critical thinking. The method used in this research was the research and development by integrating Borg & Gall's model and Plomp's development model. The ten steps Borg & Gall's model were modified into five stages as the stages in the Plomp's model. The subjects in this study were 1,446 students of junior high schools in DIY, 14 mathematics teacher, and six experts. The content validity employed was expert judgment, the empirical validity and reliability used were loading factor, item analysis used PCM 1PL, and the relationship between …