Silvy Milliniawati, 4401418075 (2022) KEMAMPUAN BERPIKIR KRITIS, HASIL BELAJAR KOGNITIF DAN AKTIVITAS BELAJAR PESERTA DIDIK PADA PEMBELAJARAN SISTEM EKSKRESI MENGGUNAKAN E-LKPD BERBASIS PBL. Under Graduates thesis, Universitas Negeri Semarang.

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Abstract

The problems found in SMA Negeri 2 Sragen are students' low critical thinking skills and cognitive learning outcomes on the excretory system material, teacher-centered learning and lack of innovation in learning media. One way to overcome this is by using learning models and media that can make students more active, namely, using PBL-based E-LKPD. The aims of this study were to (1) determine the improvement of students' critical thinking skills in excretory system learning using PBL-based E-LKPD, (2) determine the increase in students' cognitive learning outcomes in excretory system learning using PBL-based E�LKPD, and (3) know the learning activities of students in learning the excretory system using PBL-based E-LKPD. The type of research used is Quasi Experiment with a Non-Equivalent Control Group design. The sampling technique is purposive sampling. The subjects of this study were students of class XI IPA 3 and XI IPA 4 as the experimental class and XI IPA 5 as the control class. The data used include (1) critical thinking ability test scores, (2) cognitive learning outcomes test scores, (3) student learning activities, (4) learning implementation, and (5) student responses to the use of PBL-based E-LKPD. The data analysis technique used is descriptive statistical analysis (%) and hypothesis testing using the Independent Sample T-Test test and the Mann Whitney U test. The results of the hypothesis test of the N-gain score on both variables showed Sig. (2-tailed) <0.05, means that there is a difference in the improvement of critical thinking skills and students' cognitive learning outcomes between the experimental and control classes. Implementing student learning activities in the experimental class gave higher results than in the control class. The implementation of learning in each meeting reached a percentage of 85% with very good criteria. The response of students in the category of strongly agree and agree reached a percentage of 89.1%. The conclusions of this study are: (1) increasing students' critical thinking skills in excretory system learning using PBL-based E-LKPD reaching the high category, (2) increasing students' cognitive learning outcomes in excretory system learning using PBL-based E-LKPD reaching high categories, and (3) students' learning activities in excretory system learning using PBL-based E-LKPD reached the very active category.

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