Developing Critical Thinking Skills Assessment of Digestive System for Senior High Schools

Abstract

This study aims to produce valid, reliable and practical test instruments based on critical thinking skills. The method used in this study is the development research (DR) that consists of synthesizing theory and needs analysis, step design (variable construction, indicator development, questions arrangement, making the instrument, scoring) and evaluation. This study produced a valid questions in terms of content, construct, and language, with a final above 0,61. The reliability of the test was 0,88. The result of students questionnaire analysis in the phase of field trial gained an average of 3,72 The average of value obtained from the student questionnaire indicates that the Critical Thinking Skills questions of digestive system is easy to use (practical). Based on the data that has been analyzed, it shows good validity, practicality and reliability so that a question instrument based on critical thinking skills has been produced which is feasible and practical to use.