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All Journal Edumatsains Jurnal Cendekia : Jurnal Pendidikan Matematika Journal of Educational Research and Evaluation JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Edulab : Majalah Ilmiah Laboratorium Pendidikan Jurnal Pendidikan dan Teknologi Indonesia International Journal of Humanities Education and Social Sciences International Journal of Health, Engineering and Technology JNPM (Jurnal Nasional Pendidikan Matematika) Aspirasi : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat MAXIMAL International Journal of Community Service Implementation Jurnal Intelek Insan Cendikia Sinergi : Jurnal Ilmiah Multidisiplin
Amin Harahap
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Journal : Edumatsains

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The Effectiveness of Digital Learning Media Based on Project Based Learning Assisted by Geogebra Classroom on Mathematics Learning Outcomes of Vocational High School Students Husnul Khotimah; Amin Harahap; Lily Rohanita Hasibuan
EduMatSains : Jurnal Pendidikan, Matematika dan Sains Vol 10 No 4 (2026): April
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/edumatsains.v10i4.8082

Abstract

This research evaluates how Project-Based Learning (PjBL) integrated with GeoGebra Classroom influences the mathematical performance of vocational high school students specifically regarding trigonometry. The investigation employs a quantitative method characterized by a quasi-experimental design with a non-equivalent control group. The subjects of the study included two classes: one experimental class with 34 participants and one control class with 35 participants. The assessment tool utilized was a multiple-choice quiz consisting of 20 questions that underwent validation and reliability checks. Data analysis encompassed both descriptive and inferential statistics. The prerequisite tests conducted involved a normality assessment via the Kolmogorov-Smirnov test and a homogeneity test using the Levene test. The findings from the normality assessment indicated that not all data followed a normal distribution, prompting further analysis with nonparametric methods, specifically the Wilcoxon and Mann-Whitney tests. Additionally, the advancement in academic performance was evaluated through the N-Gain Score. The findings demonstrated a notable distinction between the pretest and posttest scores in both the experimental and control groups. The average N-Gain score for the experimental group was 0.66, categorized as moderate, whereas the control group recorded an average of 0.37, also within the moderate range. The Mann-Whitney test results indicated a significance level of 0.000.
Co-Authors Adila Saftri Agustin Ningsih Almahdi Rambe Amalia Safitri Siregar Amalin Aisyah Siregar Amanda Augustiyani Amanda, Amanda Augustiyani Andira Pratiwi Ayu Widya Ningrum Dede Irawan Deka Sarmadian Ritonga Devi Anna Siregar Dimenta, Rivo Hasper Dina Aulia Arsyika Dini Ramadhani Nasution Dwianti Putri Amelia Eva Julyanti Fadilah Azizah Syafiq Ferdy Riza Firahmi Rizky Haerani Kadar Halimatusakdiah Halimatusakdiah Hazriani Hazriani Helena Simangunsong Hevlie Winda Nazry S HUSNUL KHOTIMAH Ilham Hakiki Harahap Indah Kumala Sari Intan Permata Sari Irma Yanti Nainggolan Islamiani Safitri Joni Wilson Sitopu Juni Atia Intan Sari Sinaga Khairul Azhar Khairul Khairul, Khairul Laili Habibah Pasaribu Lily Rohanita Hasibuan Maria Margaretha Manik Marzuki Ahmad Mayasari Tambunan Melly Andriani Br Ginting Mika Debora Br Barus Moh. Solehuddin Muthia Yusuf Rambe Napsin Napsin Nasution, Dwi Putria Novira Ramadhani Ginting Nur Azimi Nur Khilal Zahra Siregar Nuraisya Nurlina Ariani Nurlina Ariani Harahap Nurlina Ariani Harahap, Nurlina Ariani Hrp Nurul Hidayah Ritonga Panggih Nur Adi Raudhatunnur Ridha Fauziah Rina Rindiani Rindiani Rohani Rury Rimenta imnz Diaz Rusdi Machrizal Sarah Dwi Artika Silvia Siregar Siregar, Sakinah Ubudiyah Sri Anggita Munthe Sri Mualima Suci Ananda Tata Suhita Pramesty Teguh Setiawan Wibowo Yeni Aryani Yenni Amelia Gultom Yulva Maya Padilah Yusnita Adelina Purba