<![CDATA[The purpose of this study was to determine the effect of the Cooperative Learning Jigsaw model assisted by Quiz Truth or Dare media on students’ learning outcomes in the Basic Vocational Subject of Work Culture for Grade X MPLB students at SMK Negeri 1 Medan. The results of this study are expected to provide input for vocational schools in implementing innovative learning models and media to improve students’ learning outcomes. This study employed an experimental research design using a nonequivalent control group design. Data were analyzed using the Shapiro-Wilk normality test, homogeneity test, Independent Sample T-Test, and N-Gain test. The research instruments were tested for validity, reliability, discrimination index, and difficulty level. The results showed a significant improvement in learning outcomes in the experimental class. The average pre-test score of the experimental class was 61.44, which increased to 88.44 in the post-test. Meanwhile, the control class also showed an improvement from 59.29 to 77.06. All pre-test and post-test data from both the experimental and control classes were normally distributed (significance value > 0.05) and homogeneous (homogeneity significance value = 0.523 > 0.05). The hypothesis testing results showed that Sig. (2-tailed) = 0.000 < 0.05 and t-count = 8.009 > t-table = 1.995, indicating that the Cooperative Learning Jigsaw model assisted by Quiz Truth or Dare media had a positive and significant effect on students’ learning outcomes. Furthermore, the N-Gain test results revealed that the experimental class achieved a moderately effective level with an average N-Gain Score of 71.1991% (71.20%), while the control class was categorized as less effective with an average N-Gain Score of 43.1941% (43.19%).It can be concluded that the Cooperative Learning Jigsaw model assisted by Quiz Truth or Dare media has a positive and significant effect and is moderately effective in improving students’ learning outcomes.]]>
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