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Evaluation of Validity and Reliability Using Rasch Model and SPSS on Students' Mathematical Creative Thinking Ability Febryana, Ultami Ismayani; Rahmania, Fadhilah; Faradillah, Ayu; Jusra, Hella
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.knmxxiiv5i1p1-10

Abstract

Mathematical creative thinking is an important skill for students to face global challenges and advances in science and technology. However, previous research shows that this skill is still low among Indonesian students. Accurate measurement can be ensured by valid and reliable instruments. The purpose of this study is to evaluate the validity and reliability of the mathematical creative thinking ability test instrument using the Rasch Model and SPSS. The research method is quantitative with a survey approach, involving 106 participants from various demographic backgrounds. The results of the validity test using the Rasch model showed that the eight items on the mathematical creative thinking ability test instrument met the criteria with the ideal value range for Outfit MNSQ, Outfit ZSTD, and PTMEA-CORR. In addition, the validity test results using SPSS show that the eight items have a correlation coefficient value that exceeds the r product moment value. The results of the analysis showed that the instruments tested were valid and reliable with a Cronbach's Alpha value of 0.73 using the Rasch Model and SPSS. However, the Rasch Model showed 24 persons that did not fit, which means that the Rasch model's ability to provide more specific results. Both methods can be used effectively to measure the validity and reliability of mathematical creative thinking test instruments and the Rasch Model provides more detailed information in identifying persons who do not fit
Analysis of Students' Statistical Literacy Ability Based on Learning Anxiety : A Phenomenological Study in High School Students Rahmania, Fadhilah; Nuriadin, Ishaq
Jurnal Paedagogy Vol. 12 No. 2 (2025): April
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jp.v12i2.15210

Abstract

This study aims to analyze students' mathematical literacy skills based on learning anxiety aspects. The research method used is phenomenology with a qualitative approach. Data collection techniques through mathematical literacy tests, learning anxiety questionnaires, observation and in-depth interviews. The subjects of this study are 7 students of MAN 2 East Jakarta who were selected based on purposive sampling techniques from the aspect of learning anxiety. The data analysis used is an interactive model from Miles and Huberman which has four main stages, namely data collection, data reduction, data presentation, and conclusion drawing. The results of this study show that learning anxiety, especially in cognitive and behavioral aspects, has a significant effect on statistical literacy ability. Learners with low anxiety showed better literacy achievement, while those with high anxiety tended to have difficulty understanding and applying statistical concepts. These findings emphasize the importance of anxiety management in mathematics learning to improve students' statistical literacy. Therefore, adaptive learning approaches and psychological support are needed to help learners overcome anxiety and improve their literacy skills.