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Jurnal Pendidikan Sains

Abstract

This research seeks to evaluate the efficacy of the Teaching at the Right Level (TaRL) strategy in conjunction with the Problem-Based Learning (PBL) model on the scientific learning outcomes of eighth-grade students at middle school Islam Terpadu Khairul Imam. This research addresses the inadequate scientific problem-solving abilities and science learning outcomes of Indonesian students, necessitating a more interactive and individualized instructional technique. The methodology used is a quasi-experimental design with a nonequivalent control group. The sample included two purposively chosen eighth-grade classes: one experimental class (n=25) underwent the TaRL–PBL intervention, whereas the control class (n=25) simply used the lecture approach. Data was gathered via a pretest and posttest consisting of 15 multiple-choice questions and thereafter examined for normality, homogeneity, and independent sample t-test using SPSS v.30. The findings indicated that the average posttest score of the experimental group (91.73) was much higher than that of the control group (68.53), with a significant difference (2-tailed) of 0.001 < 0.05. The experimental class achieved a score of 85.58, or 86%, on the N-Gain Test, indicating that the TaRL technique combined with the PBL model is an effective learning strategy.

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