What type of study is this?

This is a Quasi-Experimental study.

September 24, 2025Open Access

The Implementation of the STAD Learning Model Assisted by PowToon on Solid Geometry to Improve the Learning Outcomes of Eighth-Grade Students

AHAjeng Sri Hadimiati AAAsrul AsrulUniversitas Halu Oleo

Key Points

Implementing the STAD learning model with Powtoon significantly improved students' conceptual understanding.
The experimental class achieved an N-Gain score of 0.65 compared to 0.38 in the control class, indicating meaningful learning outcomes.
Quasi-experimental design utilized to assess the effectiveness of interactive learning models in geometry education.
These findings support the use of animations in cooperative learning to enhance student engagement and collaboration.

Abstract

This study aimed to address eighth-grade students' low conceptual understanding and problem-solving skills in learning flat-sided solid figures by applying the STAD learning model assisted by Powtoon. A quasi-experimental method with a Nonequivalent Control Group Design was employed, with samples selected using cluster sampling from SMP Muhammadiyah 01 Medan. Research instruments consisted of pretest and posttest essay questions. The results showed that the experimental class obtained a higher mean N-Gain score of 0.65 (medium category) than 0.38 (medium category) in the control class. The independent samples t-test revealed that the difference was statistically significant (t = 3.142, df = 48, p = 0.003 < 0.05, t-table = 2.011). These findings indicate that implementing the STAD model, assisted by Powtoon, effectively enhanced students’ conceptual understanding and mathematical problem-solving skills. Moreover, it suggests that cooperative learning supported by interactive animations can serve as an effective alternative to foster more active, collaborative, and meaningful mathematics learning in secondary schools.

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