PENGARUH MODEL GROUP INVESTIGATION (GI) TERHADAP KEMAMPUAN MENGEMUKAKAN PENDAPAT PADA MATA PELAJARAN PENDIDIKAN PANCASILA KELAS V DI MIN 3 BANDAR LAMPUNG

Muhajah, Khotimah (2026) PENGARUH MODEL GROUP INVESTIGATION (GI) TERHADAP KEMAMPUAN MENGEMUKAKAN PENDAPAT PADA MATA PELAJARAN PENDIDIKAN PANCASILA KELAS V DI MIN 3 BANDAR LAMPUNG. Diploma thesis, UIN RADEN INTAN LAMPUNG.

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Abstract

ABSTRAK Penelitian ini dilatarbelakangi oleh rendahnya kemampuan mengemukakan pendapat peserta didik dalam proses pembelajaran Pendidikan Pancasila di kelas V MIN 3 Bandar Lampung. Peserta didik cenderung kurang percaya diri dalam menyampaikan pendapat, kurang aktif dalam kegiatan diskusi, serta masih mengalami kesulitan dalam mengemukakan gagasan secara jelas dan runtut. Salah satu model pembelajaran yang dapat digunakan untuk mengatasi permasalahan tersebut adalah model pembelajaran Group Investigation (GI) yang menekankan kerja sama, penyelidikan kelompok, dan partisipasi aktif peserta didik. Penelitian ini bertujuan untuk mengetahui pengaruh model Group Investigation (GI) terhadap kemampuan mengemukakan pendapat peserta didik pada mata pelajaran Pendidikan Pancasila kelas V di MIN 3 Bandar Lampung. Penelitian ini menggunakan pendekatan kuantitatif dengan metode Quasi Experimental Design menggunakan desain Nonequivalent Control Group Design. Populasi penelitian adalah seluruh peserta didik kelas V MIN 3 Bandar Lampung yang terdiri atas dua kelas. Sampel penelitian menggunakan teknik sampling jenuh, yaitu kelas V A sebagai kelas eksperimen yang memperoleh perlakuan menggunakan model Group Investigation (GI) dan kelas V B sebagai kelas kontrol yang menggunakan pembelajaran konvensional.Teknik pengumpulan data dilakukan melalui tes kemampuan mengemukakan pendapat, observasi, wawancara, dan dokumentasi. Data dianalisis menggunakan uji normalitas, uji homogenitas, dan uji hipotesis menggunakan uji-t. Hasil penelitian menunjukkan bahwa penerapan model pembelajaran Group Investigation (GI) memberikan pengaruh yang positif dan signifikan terhadap kemampuan mengemukakan pendapat peserta didik. Hal ini ditunjukkan oleh hasil uji hipotesis yang menyatakan bahwa nilai thitung > ttabel pada taraf signifikansi 5%, sehingga H₀ ditolak dan H₁ diterima. Peserta didik pada kelas eksperimen menunjukkan kemampuan mengemukakan pendapat yang lebih baik dibandingkan dengan peserta didik pada kelas kontrol. Dengan demikian, model pembelajaran Group Investigation (GI) efektif digunakan dalam pembelajaran Pendidikan Pancasila untuk meningkatkan kemampuan mengemukakan pendapat peserta didik kelas V di MIN 3 Bandar Lampung ABSTRACT This study was motivated by the low ability of fifth-grade students to express their opinions during the learning process of Pancasila Education at MIN 3 Bandar Lampung. Students tended to lack confidence in expressing their opinions, were less active in classroom discussions, and experienced difficulties in conveying their ideas clearly and systematically. One learning model that can be used to address this problem is the Group Investigation (GI) learning model, which emphasizes collaboration, group investigation, and active student participation .This study aimed to determine the effect of the Group Investigation (GI) learning model on students' ability to express their opinions in Pancasila Education among fifth-grade students at MIN 3 Bandar Lampung. This research employed a quantitative approach using a quasi-experimental design, specifically the Nonequivalent Control Group Design. The population consisted of all fifth-grade students at MIN 3 Bandar Lampung. The sample was selected using a saturated sampling technique, in which Class V-A served as the experimental class receiving instruction through the Group Investigation (GI) learning model, while Class V-B served as the control class receiving cooperative learning. Data were collected through opinion-expression tests, observations, interviews, and documentation. The data were analyzed using normality and homogeneity tests, followed by a t-test to test the research hypothesis. The results showed that the implementation of the Group Investigation (GI) learning model had a positive and significant effect on students' ability to express their opinions. This finding was indicated by the hypothesis testing results, where the calculated tvalue (t₍count₎) was higher than the critical t-value (t₍table₎) at the 5% significance level, leading to the rejection of the null hypothesis (H₀) and the acceptance of the alternative hypothesis (H₁). Students in the experimental class demonstrated better opinion-expression skills than those in the control class. Therefore, the Group Investigation (GI) learning model is effective in improving students' ability to express their opinions in Pancasila Education among fifth-grade students at MIN 3 Bandar Lampung.

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