Penerapan Model Pembelajaran Inkuiri Terbimbing untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik

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The research aimed to improve students’ critical thinking ability through the implementation of guided inquiry learning. The research was a Classroom Action Research conducted in three cycles. Each cycle consisted of four stages: planning, acting, observing, and reflecting. Subject of the research was the second grader at science 3 class  SMAN 6 Surakarta academic year 2014/2015, consisting of 14 boys and 19 girls. Data collecting techniques used in this research were essay test, observation, and interview, which data validation using triangulation technique. Essay test that used in this reasearch containing six aspects of critical thinking ability: interpretation, analysis, evaluation, inference, explanation, and self-regulation. Data were analyzed using descriptive qualitative technique. Spiral model were used for the research procedure.

The result of the research showed that each aspect of critical thinking ability increased within three cycles of guided inquiry learning implementation. Interpretation increased 30,30%; analysis 36,36%; evaluation 41,67%; inference 31,82%; explanation 37,88%; and self-regulation 24,25%.

Based on the data analysis result, it can be concluded that the implementation of guided inquiry learning is able to improve students’ critical thinking ability of second grader at science 3 class SMAN 6 Surakarta academic year 2014/2015