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IMPROVING K3 SUBJECT LEARNING ACHIEVEMENT AT SMK COKROAMINOTO 2 BANJARNEGARA USING TS-TS METHOD
Abstract Learning achievement of K3 (health and safety) subject at SMK Cokroaminoto Banjarnegara has been improved using two stay two stray (TS-TS) method. Population of these quasi-experiment research were all of 89 students of XI grade Machining Technique. Research sample which are XI TP1 class (32 students) as control group and XI TP2 as experimental group determined by simple random sampling technique. The test instrument validity was tested by product moment correlation while the reliability was calculated by equation KR-21 and obtained coefficient of 0.496. Data resulted from pretest and posttest analyzed using t-test. Analysis result shows that tcalculated 4,176 > ttable 1,696 on significance level of α=0,05 and df=31. This shows that there is significant differences on learning achievement of experiment and control group. Students become more active and not bored. Keywords: Two Stay Two Stray, Health and safety learning, Learning achievement
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