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All Journal SPEKTRUM: Jurnal Pendidikan Luar Sekolah (PLS)
Debi S. Fuadi
Universitas Bengkulu
Education Other

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Efektivitas Model Pembelajaran Terintegrasi Problem Based Learning dan Group Investigation terhadap Kemampuan Berpikir Kritis dan Kolaborasi Mahasiswa pada Mata Kuliah Pemberdayaan Perempuan dan Lansia Debi S. Fuadi; Dwi Ismawati; Lazfihma Lazfihma; Dwi Lyna Sari
SPEKTRUM: Jurnal Pendidikan Luar Sekolah (PLS) Vol 14, No 2 (2026): SPEKTRUM: Jurnal Pendidikan Luar Sekolah (PLS): Publishing Mei 2026
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/spektrumpls.v14i2.138129

Abstract

This study aims to analyze the effectiveness of the Problem Based Learning–Group Investigation (PBL–GI) learning model on students’ critical thinking and collaboration skills in the Women and Elderly Empowerment course. This research employed a quantitative approach using a quasi-experimental method with a non-equivalent control group design. The research subjects consisted of two groups: an experimental group that implemented the PBL–GI model and a control group that used conventional learning methods. The research instruments included a critical thinking test and a collaboration observation sheet. Data analysis was conducted using normality and homogeneity tests, t-test, as well as N-Gain and effect size calculations.The results showed that there was a significant difference between the experimental and control groups. The experimental group experienced a higher improvement in critical thinking and collaboration skills compared to the control group. The N-Gain value of the experimental group was in the moderate to high category, while the effect size indicated a strong influence. These findings demonstrate that the PBL–GI model is effective in enhancing students’ critical thinking and collaboration skills. Therefore, this model is recommended as an innovative learning alternative in the context of nonformal education and community empowerment.
Co-Authors Dwi Ismawati Dwi Lyna Sari Lazfihma Lazfihma