Analisis Kemampuan Berpikir Kritis Matematis Siswa Ditinjau Berdasarkan Self-Confidence dan Gender

This study aimed to analyze and describe students’ mathematical critical thinking skills based on their self-confidence and gender. The method used in this study was descriptive qualitative. Data analysis techniques were carried out by collecting data, reducing data, presenting data, and drawing conclusions. The data collection techniques for this research are test techniques and non-test techniques in the form of self-confidence questionnaires, mathematical critical thinking skills tests, and in-depth interviews with research subjects. With two instruments that have previously been validated by two experts, namely lecturers and mathematics teachers. The research subjects were students from one class of X Grade of SMAN Jakarta. Based on the results of questionnaire data processing with the Rasch Model assisted by WinSteps Software, 2 subjects were selected, one female student and one male student, each of whom had the same self-confidence category. Furthermore, the subjects were given a test in the form of a written essay, then the answers were analyzed and interviews were conducted. Based on the results of this study, it was found that (1) Self-confidence in female students tended to be higher than that of male students, this can be seen from the results of the questionnaire by WinSteps where the top three ranks were occupied by female students. (2) In the results of the mathematical critical thinking skills test between female students and male students, there was not much difference in fulfilling each indicator. (3) The mathematical critical thinking