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All Journal Journal for Lesson and Learning Studies Biocaster : Jurnal Kajian Biologi
Azira, Azira
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Other

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PENGARUH MODEL PEMBELAJARAN TEAM GAMES TOURNAMENT (TGT)BERMEDIAKAN QUESTIONS BOX TERHADAP HASIL BELAJAR IPA Azira, Azira
Journal for Lesson and Learning Studies Vol 1, No 3 (2018): October
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jlls.v1i3.15379

Abstract

This study was conducted based on several problems as follows. 1) Students' science learning achievements were still low. 2) Students still loved to play in lessons and they didn’t pay attention to the learning process. 3) The teacher tended to use the classical learning method in the school. 4) Teachers rarely use instructional media. This study aims to determine the effect of Teams Games Tournament model with the assistance of questions box towards the learning achievement of 5th grade students in MIN 2 Buleleng Buleleng sub-district in the academic year 2017/2018 in Natural Sciences subject. The population of this study is 5th garde in MIN 2 Singaraja Buleleng  Sub-District in academic year 2017/2018 in which the total number of students are 93. The sample of this research is the 5th grade B class at MIN 2 Buleleng which amounted to 32 students and 5th grade A class in MIN 2 Buleleng which amounted to 30 students. Data were collected by multiple choice test with 30 items of questionnaire. The data collected were analyzed using descriptive and inferential statistical analysis (t-test). Based on the results of analysis, obtained thit> ttab. This means that there is effect learning model of Team Games Tournament (TGT) in form of questions box on the 5th grade students science learning achievement in MIN 2 Buleleng Buleleng sub-district in the academic year 2017/2018. Keywords : learning achievement, natural science subject, TGT
The Effect of Project-Based Learning on Students Collaborative Skills and Learning Outcomes on Virus Material Azira, Azira; Rangkuti, Marlinda Nilan Sari
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1093

Abstract

This study aims to determine the effect of Project-Based Learning (PjBL) on students' collaboration skills and cognitive learning outcomes in biology, specifically on virus topics, among 10th grade students at SMA Negeri 1 Tanjungtiram. A quasi-experimental design with a pretest-posttest control group was employed, involving 72 students from two classes selected through random sampling. The experimental class implemented PjBL, while the control class used conventional learning. Collaboration skills were measured using observation sheets, and cognitive learning outcomes were assessed using multiple-choice tests. The results showed that the experimental class achieved a mean collaboration skill score of 84.66% (very skilled category), significantly higher than the control class at 64.05% (skilled category). Cognitive learning outcomes also improved substantially, with the experimental class reaching an N-gain of 0.72 (high category) compared to 0.46 (medium category) in the control class. Mann-Whitney U test results confirmed a significant effect of PjBL on both variables (p < 0.05). These findings suggest that PjBL is an effective instructional model for developing students' collaboration skills and improving their learning outcomes in biology, particularly on virus topics.
Co-Authors Rangkuti, Marlinda Nilan Sari