EFEKTIVITAS MODEL PROJECT BASED LEARNING TERHADAP KEMAMPUAN KOLABORASI PESERTA DIDIK PADA PEMBELAJARAN IPAS KELAS IV SEKOLAH DASAR
Abstract
This study aimed to examine the effectiveness of the Project Based Learning (PjBL) model in improving the collaborative skills of fourth-grade students in Science and Social Studies (IPAS) learning. The study was motivated by students' low ability to work collaboratively, participate actively in group discussions, and share responsibilities equally. A quantitative approach was employed using the Pre-Experimental Design method with a One Group Pretest–Posttest Design. The sample consisted of 20 fourth-grade students from SDS Sartika, Karawang Regency, selected through a total sampling technique. Data were collected using a collaboration skills observation sheet. The Paired Sample T-Test revealed a significance value of 0.000 (p < 0.05), indicating a significant improvement in students' collaborative skills after the implementation of PjBL. The mean score increased from 53.50 to 84.25. The N-Gain score of 0.68 was classified as moderate, while Cohen's d value of 4.434 indicated a large effect size. Therefore, the Project Based Learning model was proven to be effective in enhancing students' collaborative skills in fourth-grade IPAS learning.
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