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All Journal Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Indonesian Journal of Applied Science and Technology
Salman Alfarisi
Universitas Negeri Malang
Agriculture, Biological Sciences & Forestry Computer Science & IT Education Engineering Languange, Linguistic, Communication & Media Mathematics Public Health Other

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Causes of Student Errors in Solving Numeration Problems : A Case Study on Students with a Strongly Field Independent Cognitive Style Salman Alfarisi; Abdur Rahman As’ari; Sukoriyanto Sukoriyanto
Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Vol 9, No 3 (2023): September
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jk.v9i3.8673

Abstract

This research aims to uncover the causes of errors in solving numeracy problems related to trigonometry among students with a strongly field-independent cognitive style. The research method employs a case study with a qualitative approach. The subjects of this study are students of class XI MA Ibadurrochman Malang. The instrument in this study consists of the main instrument, namely the researcher himself and supporting instruments consisting of GEFT (Group Embedded Figure Test) sheets and Numeration Problem Solving Test Sheets (TPMN) and interview guidelines. This data analysis technique used interactive model analysis. The research findings indicate that the causes of student errors in solving numeracy problems are primarily rooted in their previous knowledge, which results in these errors. In other words, their previous knowledge is unable to serve as a foundational material for generating ideas in solving new problems encountered. These new problems related to trigonometry are used not only to apply previously acquired knowledge to the issues at hand but also to learn new mathematical concepts. Consequently, numeracy problems become a solution for students to study mathematics coherently.
Development of Interactive Video-Based Mathematics Learning Media to Improve Senior High School Students' Conceptual Understanding Salman Alfarisi; Fatus Atho’ul Malik
Indonesian Journal of Applied Science and Technology Vol. 4 No. 1 (2023): Edisi Januari-Juni 2023
Publisher : Indonesian

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Abstract

Students’ poor understanding of mathematical concepts remains a persistent problem in education, particularly at the high school level. One contributing factor is the limited variety of instructional media capable of visualizing abstract concepts in a concrete way. This study aims to develop an interactive video-based mathematics learning medium that is valid, practical, and effective in improving high school students’ conceptual understanding. The study employed the Research and Development (R&D) method using the ADDIE development model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The test subjects were 11th-grade students at MA Ibadurrochman in Malang. Data collection instruments included validation sheets from subject matter experts and media experts, a student response questionnaire, and a concept comprehension test. The results showed that the interactive video learning media developed received a validation score of 87.5% from subject matter experts and 85.2% from media experts, both falling into the “highly suitable” category. Student responses to the media reached 84.6%, falling into the “very good” category. The results of the effectiveness test howed an increase in students’ conceptual understanding with an N-Gain value of 0.62 in the moderate category. The conclusion of this study is that interactive video-based instructional media is suitable and effective for use as a medium for teaching mathematics in high school.
Thinking Process Profiles of Senior High School Students in Solving Numeracy Problems across Different Levels of Self-Efficacy Salman Alfarisi; Fatus Atho’ul Malik
Indonesian Journal of Applied Science and Technology Vol. 5 No. 2 (2024): Edisi Juli-Desember 2024
Publisher : Indonesian

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Abstract

This study aims to describe the thinking process profiles of high school students in solving numeracy problems from the perspective of self-efficacy. The study employed a qualitative, descriptive approach. The research subjects were six 11th-grade students at MA Ibadurrochman in Malang, selected through purposive sampling based on three categories of self-efficacy (high, moderate, and low). The instruments used included a self-efficacy questionnaire, a numeracy test equivalent to the Minimum Competency Assessment (AKM), and a semi-structured interview guide. Data analysis utilized the interactive model proposed by Miles, Huberman, and Saldaña. The results showed that students with high self-efficacy were able to fully complete all four stages of Polya’s problem-solving model: understanding the problem, planning a strategy, executing the plan, and checking the solution. Students with moderate self-efficacy were only able to master the understanding and planning stages and did not conduct a thorough review of their work. Students with low self-efficacy experienced significant obstacles starting from the problem-understanding stage, made procedural errors, and did not verify their answers at all. The conclusion of this study confirms that self-efficacy plays a crucial role in determining the quality of students’ thinking processes when solving numeracy problems.
Co-Authors Abdur Rahman As’ari Fatus Atho’ul Malik Sukoriyanto