Psychometric validity analysis of the indonesian version of career planning questionnaire (CPQ) on high school students: mixture rasch model approach

Febiano, Rikardus Ebed Suhartantiyo and Purwanto, Cynthia Vivian and Yudiarso, Ananta (2025) Psychometric validity analysis of the indonesian version of career planning questionnaire (CPQ) on high school students: mixture rasch model approach. Jurnal Psikologi Pendidikan & Konseling, 11 (1). pp. 17-25. ISSN 2443-2202 e-ISSN: 2477-2518

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Abstract

This study examines the validity and reliability of the Indonesian version of the Career Planning Questionnaire (CPQ) for high school students using the Rasch Model. Data were collected via a non-random sampling survey involving 209 respondents. Analysis was conducted using Winsteps software to evaluate item quality and model fit. Results indicate that the three CPQ subscales self knowledge, occupational knowledge, and career decision-making skills met unidimensionality criteria, with raw variance explained values of 48,1%, 42,6%, and 50,0%, respectively. Item reliability was high (0,97 for subscale A, 0.99 for B, and 0,73 for C), while person reliability was moderate (0,70, 0,42, and 0,83). Differential Item Functioning (DIF) analysis identified two gender-biased items (A16 and C20). Additionally, Mixture Rasch Model analysis revealed two latent classes, reflecting response heterogeneity among students. These findings demonstrate that the Indonesian CPQ is a valid and reliable tool for assessing high school students’ career planning, though some items require revision to enhance measurement accuracy and fairness. Keywords: career planning questionnaire; construct validity; rasch model; psychometrics.

Item Type:	Article
Uncontrolled Keywords:	career planning questionnaire; construct validity; rasch model; psychometrics.
Subjects:	L Education > L Education (General) L Education > LB Theory and practice of education > LB1603 Secondary Education. High schools L Education > LB Theory and practice of education > LB2300 Higher Education
Divisions:	Faculty of Psychology > Department of Psychology
Depositing User:	RIKARDUS EBED SUHARTANTIYO FEBIANO
Date Deposited:	04 Aug 2026 08:20
Last Modified:	04 Aug 2026 08:20
URI:	http://repository.ubaya.ac.id/id/eprint/51106

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