Implementation of Reflective Thinking Process Approach to Students' Mathematical Critical Thinking

Abstract

This study aims to measure students' mathematical critical thinking skills after learning by using a reflective thinking process approach. An experimental research method with a quantitative approach was used in this research. The research design used was a One-Shot Case Study with a pre-test. The population in this study was students of Junior high school in central Aceh, meanwhile the sample was students of class VII2 of Junior high school in central Aceh with consideration of heterogeneous students- abilities selected by purposive sampling. A mathematical critical thinking test instrument and a student-s attitude scale questionnaire were applied for the data collection of this study. The results of the research showed; (1) the improvement of students' mathematical critical thinking skills who get learning using a reflective thinking process approach was better than learning without a reflective thinking approach; (2) the reflective thinking approach had an effect of 53.6% on increasing students' critical thinking skills; (3) students showed a positive attitude towards learning mathematics, and also towards mathematical critical thinking questions.