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All Journal Bioscientist : Jurnal Ilmiah Biologi
Nonci Melinda Uki
Program Studi Doktor Ilmu Pendidikan, Program Pascasarjana, Universitas Pendidikan Ganesha, Jalan Udayana Nomor 11, Buleleng, Bali 81116
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences

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Meta-Analisis : Penerapan Model Pembelajaran Project Based Learning (PjBL) untuk Meningkatkan Hasil Belajar Siswa Nonci Melinda Uki; AAIA Rai Sudiatmika; I Ketut Suma; I Nyoman Suardana
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.9854

Abstract

This research aims to analyze the effectiveness of the Project Based Learning (PjBL) learning model in improving student learning outcomes at the elementary, middle and high school levels. The research method used is meta-analysis by re-analyzing articles from 19 research results that have been published, and can be accessed online, which were published in 2014-2023. The results of this meta-analysis research show that the effect size value at the high school level is 1,350, at the elementary school level is 2,636, and at the junior high school level is 4,727. From the effect size analysis, it can be concluded that the implementation of the PjBL learning model has proven effective in improving student learning outcomes at the elementary, middle and high school levels.
Implementasi Bahan Ajar Pencemaran Lingkungan Berbasis Problem Based Learning terhadap Pemahaman Konsep Siswa Nonci Melinda Uki; I Gusti Putu Suharta; I Wayan Lasmawan
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.10688

Abstract

This research aims to test the increase in students' conceptual understanding after using Problem Based Learning (PBL)-based environmental pollution teaching materials. The research method used is experimental research with a one group pretest-posttest design. Data was collected through learning outcomes tests and analyzed using the N-Gain test. The research results showed that the average understanding of students' concepts before using PBL-based environmental pollution teaching materials was 55.65 in the pretest, and after using these teaching materials, the average understanding of students' concepts increased to 76.65 in the posttest. Thus, it can be concluded that there is an increase in students' conceptual understanding after using PBL-based environmental pollution teaching materials. This increase is proven through gain analysis which shows that the average increase in students' conceptual understanding after using these teaching materials is 0.86, which is included in the high criteria.
Co-Authors A. A. Istri Agung Rai Sudiatmika I Gusti Putu Suharta I Ketut Suma I Nyoman Suardana I Wayan Lasmawan