Abstract:This study aims to see the Critical Thinking Ability in the Materials of the Respiratory System of Class XI SMAN 1 Tanah Putih Subdistricts. The sample of this study consisted of one class, the determination of the sample by using purposive sampling technique. This type of research is survey research with a qualitative descriptive approach. The data obtained is the students' critical thinking ability. The percentage of gain in SMAN 1 Tanah in Focus indicator gets a percentage of 66% in the high category, the a… Show more
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