<![CDATA[This research purposed to know the differences of student cognitive critical thinking and psychomotor skills, along with knowing where was the better group between audio visual media and paper sheet in student cognitive critical thinking and psychomotor skills as experiment guidelines . Critical thinking skills that analyzed were belonged to priority, analyzed, synthesis, and evaluation aspects.This research was an quasi-experiment with the static pretest posttest group design. The populate was belonged to all student of XI IPA 1, XI IPA 3, and XI IPA 5. The sample was given by cluster random sampling, and the result is XI IPA 1 as the group help by audio visual media, XI IPA 5 as paper sheet. The instruments were 10 questions of critical thinking skill and psychomotor observation sheet. Data were obtained from posttest and psychomotor observation scores. Data analyzing used independent sample T-test and different populate average estimation test.The results showed that there were differences of student cognitive critical thinking and psychomotor skills between of the group that helped by audio visual media and paper sheet, along with the student cognitive critical thinking and psychomotor skills of audio visual media group are better than paper sheet, it was because of the ranges of different average populate estimation in cognitive aspect was ranging from 0,1246 9,2313 and psychomotor was 7,752 12,906 for each ? = 5%]]>
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