Psychometric Properties and Mixture Rasch Model Analysis of Body Regulation Exercise Questionnaire (BREQ-3)

Andika, Bryan and Tunggawan, Ingrid and Yudiarso, Ananta (2025) Psychometric Properties and Mixture Rasch Model Analysis of Body Regulation Exercise Questionnaire (BREQ-3). INSAN Jurnal Psikologi dan Kesehatan Mental, 10 (1). pp. 21-52. ISSN 2528-0104, 2528-5181

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Abstract

This study aimed to test the reliability and validity of Indonesian-translated Body Regulation Exercise Questionnaire (BREQ-3), originally developed by Wilson et al. (2006), using Rasch analysis. A total of 408 Indonesian participants aged 18–25 years completed the survey. The results supported the unidimensionality of each BREQ-3 subscale. The 5-point Likert scale functioned adequately, except for the amotivation subscale. Both person and item reliability, as well as separation indices, were within acceptable ranges. Most items effectively measured exercise regulation, although revision is required on six items. Three items from external and intrinsic regulation subscales showed gender bias. Further analysis using Mixture Rasch Model indicated that the identified classes were not distinguished by gender or age. Overall, the findings support the use of BREQ-3 Indonesian version for assessing physical activity regulation in young adults and provide recommendations for future research.

Item Type:	Article
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Divisions:	Faculty of Psychology > Department of Psychology
Depositing User:	BRYAN ANDIKA
Date Deposited:	03 Aug 2026 07:17
Last Modified:	03 Aug 2026 07:17
URI:	http://repository.ubaya.ac.id/id/eprint/51086

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