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All Journal Jurnal Gantang Prima: Jurnal Pendidikan Matematika
Makmuri Makmuri
State University of Jakarta
Education Mathematics

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Development of a HOTS-Based Mathematical Abstraction Ability Instrument in Trigonometry Using Riau Islands Province Culture Dwi Rismi Ocy; Wardani Rahayu; Makmuri Makmuri
Jurnal Gantang Vol 8 No 1 (2023): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v8i1.5654

Abstract

The lack of available assessment tools that effectively measure students' ability to think abstractly in mathematics, particularly in trigonometry. Additionally, there is a need to incorporate local culture into the assessment instrument to make the content more relatable and relevant to students in Riau Islands Province. This study is a development study using the Define, Design, and Develop processes from the 4D development model that have been converted to 3D. 3 doctoral lecturers in mathematics education subsequently validate the instruments produced; they are modified in response to their feedback and recommendations. A team of 17 teachers and instructors of high school mathematics validated the results, followed by panelists' validation. The content Validity Ratio (CVR) index value on the panelist's validation of 25 items is greater equals to 0.765. The instrument has been tested on 20th-grade 10th high school students. The results show that the instrument can be used on a large scale, and the instrument with the cultural context of the Riau Islands Province enables students to break down complex problems into simpler components, identify relevant variables, and establish connections between them.
DEVELOPMENT OF A TEST INSTRUMENT CONTAINING STEM COMPONENTS TO MEASURE ANALYTICAL THINKING SKILL IN TRIGONOMETRIC RATIOS Cidi Cindiawati; Makmuri Makmuri; Flavia Aurelia Hidajat
Prima: Jurnal Pendidikan Matematika Vol. 10 No. 1 (2026): PRIMA : Jurnal Pendidikan Matematika
Publisher : FKIP Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/prima.v10i1.15302

Abstract

This study focuses on creating assessment tools to evaluate how well students can think analytically about math when dealing with trigonometric comparisons, assessing how accurate, consistent, and challenging each question is. Thirty-one students in the eleventh grade at SMAN 1 Rawamerta took part in this research. The 4D model was the method utilized for development, but it was streamlined to a 3D process (define, design, and develop). The assessment tool that was developed comprised four open-ended questions. Three college instructors and a seasoned teacher, acting as expert evaluators, examined the content, appearance, and structure of the test to ensure it was valid. Following the declaration of validity for the test tool, a small-scale trial was carried out to ascertain its real-world validity, dependability, and degree of difficulty. The expert validation results showed that this tool is highly valid, achieving a validity score of 97.92%. According to the calculations for real-world validity, this test instrument meets the criteria for good validity. The reliability test findings indicate good criteria with a calculated r value of 0.7363. Regarding difficulty, one question was classified as easy, while three questions were deemed to be of medium difficulty. Consequently, the assessment tool created can be considered suitable for use as a test containing STEM elements for gathering research data to gauge students' mathematical analytical thinking abilities. Furthermore, it is anticipated that educators can utilize this assessment tool as an evaluation material to thoroughly assess students' thinking capabilities at different stages.
Co-Authors Cidi Cindiawati Dwi Rismi Ocy Flavia Aurelia Hidajat Wardani Rahayu