HUSNUL KHOTIMAH, NPM 2205100010 (2026) THE EFFECTIVENESS OF DIGITAL LEARNING MEDIA BASED ON PROJECT BASED LEARNING ASSISTED BY GEOGEBRA CLASSROOM ON MATHEMATICS LEARNING OUTCOMES OF VOCATIONAL HIGH SCHOOL STUDENTS. Tugas_Akhir(Artikel) JURNAL PENDIDIKAN MATEMATIKA DAN SAINS, 10 (4). pp. 394-395. ISSN 2527-7235 (e-ISSN)
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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. Keywords: GeoGebra Classroom, Learning outcomes, N-Gain, PjBL, Quasi-experiment
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | GeoGebra Classroom, Learning outcomes, N-Gain, PjBL, Quasi-experiment |
| Subjects: | L Education > L Education (General) L Education > LB Theory and practice of education Q Science > QA Mathematics |
| Divisions: | Fakultas keguruan dan Ilmu Pendidikan > Pendidikan Matematika |
| Depositing User: | Unnamed user with email repository@ulb.ac.id |
| Date Deposited: | 10 Aug 2026 03:44 |
| Last Modified: | 10 Aug 2026 03:44 |
| URI: | http://repository.ulb.ac.id/id/eprint/2643 |
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