Pengaruh Model Problem Based Learning Berbasis Multimedia Terhadap Kemampuan Berpikir Kritis dan Hasil Belajar IPA

Abstract

This article was a quantitative study aimed to find out: Differences in students' critical thinking skills and student learning outcomes using PBL models based on multimedia and conventional learning models. This research is an experimental research with posttest only control group design used in students of class VIII of SMP Negeri 2 Abuki in the 2018/2019 academic year. Data collection techniques in this study used test instruments, questionnaires and documentation. The instrument validity test uses the Product Moment formula and the reliability test uses the Cronbach Alpha formula, with the prerequisite test analysis using the normality test and homogeneity test. Data analysis techniques used include the first hypothesis test and the second hypothesis using the average test (t-test). The results showed that: There were differences in students' critical thinking skills using multimedia-based PBL models and those using conventional models (thit 9.9{\textgreater} ttab 1.67). And there are differences in student learning outcomes using multimedia-based PBL models and those using conventional models (thit 10.2{\textgreater} 1.67 tab). Keywords: