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Journal : Union: Jurnal Ilmiah Pendidikan Matematika

The effect of group investigation model of learning on improving mathematics learning outcomes Aini, Kuratul; Mahsup, Mahsup; Mandailina, Vera; Abdillah, Abdillah; Febriani, Putri Ayu
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 2 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i2.17515

Abstract

The instructional model is a crucial component in the educational process. This study evaluates the effectiveness of the Group Investigation learning model in enhancing students' mathematics outcomes. A quantitative research method with a One Group Pretest-Posttest design was used, involving 29 eighth-grade students. Data were analyzed using SPSS version 25, revealing a pretest score of 0.010 and a posttest score of 0.063 after implementing the Group Investigation model. The average posttest score was 77.91, indicating a significant impact on learning outcomes. Observations over three sessions showed an increase in student participation from 26.97% with an average score of 2.24 in Session I (categorized as "Less Active") to 42.79% with an average score of 3.56 in Session II, and 45.38% with an average score of 3.78 in Session III (both categorized as "Active"). This increase demonstrates that the Group Investigation model not only enhances student participation but also makes students more active in learning, thereby improving mathematics outcomes. Therefore, the Group Investigation model is an effective strategy for enhancing students' achievement in mathematics. Further research with more refined methods and tools is needed to confirm these findings.
Co-Authors A.A. Ketut Agung Cahyawan W AA Sudharmawan, AA Abdillah Abdillah Adawia, Radiatul Adekantari, Putri Agus Herianto Agustina Ahmodu, Abdul-Lateef Olamide Aini, Hizratun Aini, Kuratul Ainun Jariah Al Fauzi, Adi Ari Rahmadani Astuti, Ratu As’ad, Muhammad Aulia, Hartika Awalia, Putri Tias Azizah Dewi Pramita Eka Fitriani Febriani, Putri Ayu Fidyarini, Lailly Fika Agustina, Fika Fujiaturrahman, Sukron Haer, Atina Haifaturrahmah, Haifaturrahmah I Made Sutajaya I Wayan Suja Ibrahim Ibrahim Ida Bagus Made Astawa Iddrisu, Mohammed Muniru Imam Tanthowi Iqamah, Nurul Irma Setiawan, Irma Ismunandar Iwan Tanjung Sutarna Khaerul Anam Khosiah Khosiah, Khosiah laxmi zahara Maemunah Maemunah Malikah, Siti Mas’ad, Mas’ad Mayasari, Deviana Mintasrihardi, Mintasrihardi Monika Handayani, Monika MUHAMMAD ALI Muhammad Zulkifli, Muhammad Muhibbin, Muhibbin Muhirdan Muhirdan Mujiburrahman Mujiburrahman Mujiburrahman Muliana, Yulia Mursalim Mursalim Nadiyah HR, I’is Nahwa, Nahwa Nurin Rochayati Nurjannah Nurjannah Oktaviani, Putri Dwi Pala, Nurul Palahuddin, Palahuddin Parhan, Parhan Putro, Dwi Suryo Rahman, Nanang Rahmatin, Nutia Rahmawati, Rahmawati Ratni, Ratni Riadi, Riadi Rini, Widia Saddam Saddam, Saddam Sahara, Ani Sahraini, Alfiana Salsabilah, Nanda Sintayana Muhardini Sirajuddin Sirajuddin Sitinurmala, Sitinurmala Sitisaini, Sitisaini Solehah, Azmiatun Sudarwo, Raden Suja, Wayan Supardi Supardi Suryati Suryati Susi Susanti Sutajaya, Made Swahip, Swahip Swandi, Swandi Syafril Syafril Syaharuddin Syaharuddin Syaharuddin Taufikhidayat, Taufikhidayat Utami, Lola Wahyu Vera Mandailina, Vera Wibawa, Muhammad Kukuh Zaenudin Zaenudin Zainuddin, Zainuddin Zairina, Nuren