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All Journal Algebra : Jurnal Pendidikan Sosial dan Sains
Resma Wahyuni
Riau University
Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Neuroscience Physics Social Sciences Other

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THE EFFECT OF THE PROBLEM-BASED LEARNING MODEL INTEGRATED WITH ETHNOSCIENCE ON THE CRITICAL THINKING SKILLS OF 10TH GRADE STUDENTS AT SMAN 1 SENTAJO RAYA Nurul Sepriza; Mariani Natalina L; Resma Wahyuni
Algebra : Jurnal Pendidikan, Sosial dan Sains Vol. 5 No. 4 (2025): Algebra : Jurnal Pendidikan Sosial dan Sains
Publisher : Yayasan Amanah Nur Aman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/dj292n90

Abstract

ABSTRACT This study was motivated by the low critical thinking skills of students in biology learning. The low critical thinking skills of students are caused by the use of learning models that lack variety and the lack of student concern for the environment. This study aims to determine the effect of the Problem- Based Learning (PBL) model integrated with Ethnoscience on students' critical thinking skills in the subject of environmental change and preservation in class X at SMAN 1 Sentajo Raya. The research used a Quasi-Experimental method with a Pre-test-Post-test Non-Equivalent Control Group Design. The research sample consisted of two classes selected by Random Sampling, namely the experimental class that was given the integrated PBL treatment with Ethnoscience and the control class that used the Discovery Learning model assisted by PowerPoint. The research instruments were critical thinking skills tests and observation sheets. The results showed that the critical thinking skills of students in the experimental class were higher than those in the control class. This was evident from the pretest average score of 42.8 in the experimental class and 39.86 in the control class, and the posttest average score of 80.13 in the experimental class and 67.2 in the control class. Data analysis using an independent sample t-test showed a significance value (2-tailed) of 0.00 < 0.05 with a t-value > t-table, namely 5.545 > 1.994. It can be concluded that the application of the integrated ethnoscience Problem Based Learning model has an effect on students' critical thinking skills in the subject of environmental change and preservation in class X at SMAN 1 Sentajo Raya.
DEVELOPMENT OF FLASH CARD LEARNING MEDIA ON THE MATERIAL OF THE BODY'S DEFENSE SYSTEM FOR 11TH GRADE HIGH SCHOOL STUDENTS Mellani Fadilah; Mariani Natalina Linggasari; Resma Wahyuni
Algebra : Jurnal Pendidikan, Sosial dan Sains Vol. 5 No. 4 (2025): Algebra : Jurnal Pendidikan Sosial dan Sains
Publisher : Yayasan Amanah Nur Aman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/39wwvc25

Abstract

The problems found in biology learning in several schools in Pekanbaru are that students find it difficult to understand the material on the body's defense system, learning media are not varied and interactive, and the majority of students have a visual learning style, so learning media that can facilitate this learning style are needed. The material on the body's defense system is difficult to see directly and contains scientific terms that are difficult to understand. The development of learning media with attractive visualizations is a solution to these problems. The purpose of this study was to produce valid and high-quality flash card learning media on the immune system for 11th grade high school students. This study was conducted at the Biology Education Study Program, Faculty of Teacher Training and Education, University of Riau and SMA Negeri 8 Pekanbaru from January to June 2025. The type of research used was Research & Development (R&D) using the ADDIE model. This research was only carried out up to the development stage. The validation results showed a very valid category with an average score of 3.82. The results of limited trials I and II showed a very valid category with average scores of 3.87 and 3.89. The quality of the flash card learning media was assessed based on the average results of the validation and limited trials. The quality results showed an average score of 3.86 with a very good category. It can be concluded that the flash card learning media on the subject of the body's defense system has very valid validity and very good quality, making it suitable for use in biology learning.
Co-Authors Mariani Natalina L Mariani Natalina Linggasari Mellani Fadilah Nurul Sepriza