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Ali, S., Mofreh, M., Najib, M., Ghafar, A., Hafiz, A., Omar, H., & Mosaku, M. (2014). Psychometric Properties on Lecturers’ Beliefs on Teaching Function: Rasch Model Analysis. International Education Studies, 7, 47-55.

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• TITLE: Psychometric Evaluation on Mathematics Beliefs Instrument Using Rasch Model

  AUTHORS: Siti Mistima Maat

  KEYWORDS: Mathematics, Beliefs, Rasch Model, Reliability

  JOURNAL NAME: Creative Education, Vol.6 No.16, September 24, 2015

  ABSTRACT: The purpose of this study was to provide the evidence of psychometric evaluation on mathematics beliefs instrument (MBI) using Rasch model. 36 items of 5 point Likert scale with three constructs of mathematics beliefs towards nature, mathematics belief in teaching and mathematics beliefs in learning. 254 of secondary mathematics school teachers were selected to be the samples. The collected data were analysed using Winstep 3.69.1.11in order to obtain the Rasch Model output. The findings revealed that the MBI has reliability value of 0.98 with separation index 6.27. The person reliability has value of 0.81 and the separation index of 2.08. Some misfits items were modified accordingly based on the fit statistics suggestions. The Rasch model output has provided statistical evidence for MBI for future purposes.