Maya Istyadji
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The Effect of the Guided Inquiry Learning Model on the Critical Thinking Skills of Junior High School Students Class VIII about Vibration, Waves, and Sound Hidayah Hidayah; Arif Sholahuddin; Maya Istyadji
Indonesian Journal of Science Education and Applied Science Vol 3, No 2 (2023): INDONESIAN JOURNAL OF SCIENCE EDUCATION AND APPLIED SCIENCE
Publisher : Program Studi Pendidikan IPA, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/i.v3i2.10469

Abstract

Research has been carried out on the effect of the guided inquiry learning model on the critical thinking skills of VIII grade junior high school students on the subject of vibrations, waves, and sounds at SMP Negeri 27 Banjarmasin. This study aims to describe the effect of the guided inquiry learning model on the critical thinking skills of eighth-grade junior high school students on the subject of vibration, waves, and sound. The type of research used in this research is the preexperimental method with the experimental design of The One Group Pretest Posttest. The research subjects in this study were conducted using random sampling. The research subjects in this study were class VIII E as many as 33 people in the experimental class. The data collection technique used the test technique. The data analysis technique uses the t-test to analyze the effect of the guided inquiry learning model on students' critical thinking skills. From the results of the t-test, the value of students' critical thinking skills was obtained with sig (0.000) < α = 0.05, meaning that there was a difference between the pretest and posttest results of students' critical thinking skills using the guided inquiry learning model. The research results show that the guided inquiry learning model influences students' critical thinking skills so this learning model can be used as an alternative learning model in schools to improve student's critical thinking skills.
The Effect of Using Brainstorming Methods on Students Critical Thinking Ability on Science Learning in Middle School Venny Dwinta Nurikhwan; Arif Sholahuddin; Maya Istyadji
Indonesian Journal of Science Education and Applied Science Vol 3, No 2 (2023): INDONESIAN JOURNAL OF SCIENCE EDUCATION AND APPLIED SCIENCE
Publisher : Program Studi Pendidikan IPA, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/i.v3i2.10927

Abstract

A research was conducted on students' critical thinking skills in science learning in SMP. This study aims to determine the differences in the critical thinking skills of students who learn with the brainstorming method in class VII students of SMP Negeri 6 Banjarmasin in the 2018/2019 academic year. This study used a quasi-experimental method using a pretest-posttest nonequivalent control group design. The sample of the study was class VII A students consisting of 30 students as the experimental class and class VII G students consisting of 30 students as the control class. The sampling technique used was cluster random sampling. Data collection techniques using test techniques. The data analysis technique used the t-test to analyze differences in the critical thinking skills of students in the experimental and control classes, and descriptive analysis to describe the differences in the level of critical thinking skills between students who used the brainstorming and expository methods. The result showed that there was a significant difference between the experimental class and the control class as indicated by the results of the t-test from the price Tcount > Ttable (2,41 > 2) and there was a difference in critical thinking skills between the experimental class and the control class as indicated by the percentage value, posttest experimental class namely 82,08% and control class 71,38%.Keywords: Brainstorming, Expository, Critical Thinking, Science