Development and Evaluating Self-Health Literacy Assessment in Pre Service Science Teacher: Analysis Rasch Model and SEM-PLS
DOI:
https://doi.org/10.17977/um065.v6.i2.2026.10Keywords:
Pre service science teacher, Rasch model, Self-health literacy, SEM PLSAbstract
The study was conducted to develop and evaluate a Self Health Literacy Assessment Instrument using the Rasch Model and Structural Equation Modeling with Partial Least Squares (SEM-PLS) in Pre Service Science Teacher. The instrument was designed to evaluate individuals’ ability to access, understand, process, and apply self health information. Development proceeded through three stages: domain identification, item generation, and instrument construction. Pilot testing involved 211 pre service science teacher (25 male, 186 female). Twenty five items were initially administered; nine were removed due to low factor loadings and Average Variance Extracted values below recommended thresholds. Rasch analysis indicated robust psychometric performance, with person reliability of 0.89 and item reliability of 0.98. Infit and Outfit Mean Square statistics near 1.00 evidenced item fit, and point measure correlations indicated satisfactory discrimination. Complementary SEM-PLS results supported construct validity, with convergent validity acceptable (AVE = 0.550–0.583) and composite reliability adequate (CR = 0.805–0.865). A significant predictive path was identified between Understand and Process (β = 0.536). The finalized instrument contained 25 items by Rasch and 16 items by SEM-PLS across four dimensions. Overall, the measure is reliable and valid for assessing self health literacy and suitable for application in education and intervention research.References
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Copyright (c) 2026 Annisa Nur Khasanah, Dadan Rosana, Insih Wilujeng, Arifin Septiyanto, Muhammad Nur Hudha

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Universitas Sebelas Maret
Grant numbers 371/UN27.22/PT.01.03/2025





