<![CDATA[The purpose of this study was to ascertain the following: (1) learning outcomes of grade IX students at SMPN 33 Makassar before and after the implementation of Student Worksheets (LKPD) assisted by PhET Simulation; (2) improvement in student learning outcomes following the implementation of LKPD assisted by PhET Simulation; and (3) significance of the improvement in student learning outcomes. This study employed pre-experimental methods and a one-group pretest-posttest design. 270 ninth-grade students from SMPN 33 Makassar made up the population. Thirty kids from grade IX F were chosen as samples using purposive sampling. The research instrument was a 20-item multiple-choice exam. Pretest and posttest data were collected, and descriptive and inferential statistics were used for analysis. The findings demonstrated that: (1) learning outcomes increased in the medium category with an N-Gain score of 0.42; (2) the average pretest score was 6.83 (low category), while the average posttest score increased to 12.23 (medium category); and (3) student learning outcomes significantly increased following the implementation of LKPD with assistance from PhET Simulation. ]]>
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