The Effectiveness of a Project-Based Learning Model Using Mind Mapping Instructional Materials on Eighth-Grade Students' Comprehension of Islamic Cultural History
Abstract
This study aimed to analyze the effectiveness of the Project-Based Learning (PjBL) model supported by mind mapping teaching materials in improving students’ understanding of Islamic Cultural History (SKI) among eighth-grade students at SMP Negeri 2 Cikajang. The study employed a quantitative approach using a one-group pretest-posttest design involving 30 students selected through purposive sampling. Data were collected through pretests and posttests and analyzed using a paired-sample t-test and N-Gain analysis. The results revealed an increase in the mean score from 80.36 on the pretest to 85.16 on the posttest. The paired-sample t-test yielded a significance value of p < 0.001, indicating a significant improvement in students’ understanding after the implementation of the PjBL model supported by mind mapping materials. However, the N-Gain score was 0.247 (24.72%), which falls into the low category, indicating that the level of effectiveness was not yet optimal. Therefore, while the PjBL model supported by mind mapping materials significantly improved students’ understanding, its overall effectiveness remained relatively low
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