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All Journal JKPM (Jurnal Kajian Pendidikan Matematika)
Suherman, Suherman
University of Szeged, Hungary and Universitas Islam Negeri Raden Intan Lampung
Education Mathematics

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Development of a Creative Problem-Solving test-based Higher Order Thinking Skills: A Rasch Model Measurement Farida, Farida; Alamsyah, Yosep Aspat; Suherman, Suherman
JKPM (Jurnal Kajian Pendidikan Matematika) Vol 10, No 2 (2025): JKPM (Jurnal Kajian Pendidikan Matematika)
Publisher : Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/jkpm.v10i2.28956

Abstract

Creative Problem Solving (CPS) is increasingly valued in independent curriculum education, yet the comprehensive psychometric validation of CPS assessment tools remains limited. This study aimed to develop and validate an instrument to measure CPS skills among students using the Rasch model. A total of 137 higher education students participated. Analysis showed the assessment items fit the Rasch Model well, with strong item-person alignment, effective discrimination among difficulty levels, and good reliability. The Wright map revealed clear patterns between item difficulty and student ability. One item showed Differential Item Functioning (DIF) favouring male students. Furthermore, fourth-semester female students outperformed those in later semesters. Significant differences in CPS ability were found between gender and between urban and rural students, emphasising the need for targeted differentiation strategies in education. These findings underscore the importance of using validated and inclusive assessments to inform equitable teaching practices and curriculum design that support diverse learners in developing CPS skills.
Co-Authors Alamsyah, Yosep Aspat Farida, Farida