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All Journal Pattimura Proceeding : Conference of Science and Technology
Mawaddah, Dinda Aulia
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics

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Validity of the Rasch Model-Based Mathematical Critical Thinking Ability Instrument Mawaddah, Dinda Aulia; Faradillah, Ayu; Alyani, Fitri
Pattimura Proceeding Vol 5 No 1 (2024): Prosiding Konferensi Nasional matematika (KNM) XXII Tahun 2024
Publisher : Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ppcst.knmxxiiv5i1p41-48

Abstract

Critical intellectual skills are very necessary to make a decision, but students' critical intellectual abilities are still very low due to students' lack of ability to solve problems. This research aims to determine the results of instrument validation of applications of the Rasch model to critical thinking abilities. This study employs survey methodologies together with a quantitative methodology. The subjects of this research consisted of 134 high school students consisting of class XI. The results of this study showed two valid items, with one misfit item and five misfit items, while the DIF test showed all items indicated DIF. Testing the reliability of the instrument with the Winsteps application, obtained reliability with a Cronbach Alpha (KR-20) of 0.87, it appears that 0.87 is greater than 0.7 thisfalls into the category of excellent. People's 0.84 dependability score falls into the excellent range. An item's dependability of 0.98 falls within the excellent range. The 2.31person separation falls within the "good" category.
Co-Authors Faradillah, Ayu Fitri Alyani