A Mixture Rasch Model Analysis of Mathematics Achievement

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Kastamonu Eğitim Dergisi
Volume:31 Issue:1
A Mixture Rasch Model Analysis of Mathematics Achievement

A Mixture Rasch Model Analysis of Mathematics Achievement

Authors : Halime YILDIRIM HOŞ, Menekşe UYSAL SARAÇ

Pages : 133-142

Doi:10.24106/kefdergi.1246453

View : 97 | Download : 14

Publication Date : 2023-01-31

Article Type : Research Paper

Abstract :Purpose: This study aims to determine distinct latent classes in 8th-grade students\` mathematics achievement Design: The research study group consisted of 435 students who received the first booklet at the TIMSS 2015 8th grade mathematics achievement test. A mixture of Rasch model analysis was used to find the best-fitting model. Findings: When model fit indices were evaluated, the model fitting the data was found to be MRM with the two latent classes. According to this model, students in latent class 2 are more successful in mathematics than students in latent class 1. The vast majority of the items are found easier in latent class 2. Highlights: In addition, the cognitive domain of the more accessible items for students in both classes is “knowing, while items that are difficult for both groups are in the “applying” cognitive domain.
Keywords : Mixed item response theory, Mixture Rasch model, Mathematics achievement

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