Hubungan Konsep Diri dengan Kemampuan Berpikir Kritis Peserta Didik Konsep Ekosistem

This research is a correlational study that connects the concepts of self with the learnerscritical thinking ability on the ecosystem material. Samples of the research of 30 students as participants with sampling techniques purposive sampled. The research instruments used include questionnaires adopted from the Tennessee Self Concept Scale (TSCS) developed by William H. Fitts and a breakdown test for measuring critical thinking skills. The self-concept questionnaire consisted of 43 statements. Hypotheses testing uses bivariate correlation regression. Before a hypothesis test with a regression linierity is performed, first data is tested for normality and its homogenization as a prerequisite test analysis. The results showed no relation between self-concept and critical thinking ability (R = 0,471; R2 = 0,222) means there is a self-concept contribution to the critical thinking ability of 22.2%.