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All Journal Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education)
Ely Yosriyah
Kyungpook National University, Daegu, Republic of Korea

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Psychometric Development and Validation of a Sustainability Literacy Instrument for Prospective Biology Teachers Using Rasch Model Dede Cahyati Sahrir; Sri Ngabekti; Saiful Ridlo; Arif Widiyatmoko; Ely Yosriyah
Jurnal Pendidikan Sains Indonesia Vol. 14 No. 4: OCTOBER 2026
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v14i4.3320

Abstract

Assessing the level of sustainability literacy in the 21st century is an important part of every learning in higher education. Therefore, this study aimed to develop and validate a sustainability literacy instrument for prospective biology teachers using the Rasch measurement model. The method used in this research is research and instrument development which includes three stages: planning the test, conducting the test, and establishing validity and reliability. The test sample was 90 prospective biology teacher students. The sustainable literacy instrument developed is in the form of multiple hoice questions consisting of 30 items. Data analysis was carried out using the Rasch model with the help of winstep software. The results of the research show that the sustainable literacy instrument developed has very good reliability with a Cronbach's alpha value of 0.85, however based on the item fit analysis there are 5 items that are invalid, namely items number 7, 18, 10, 8 and 26. There is no bias. based on gender in the sustainable literacy instrument developed. These findings confirm that the developed instrument is psychometrically sound and suitable for assessing sustainability literacy among prospective biology teachers. The instrument provides a comprehensive assessment framework that can support curriculum evaluation, instructional improvement, and the implementation of education for sustainable development within biology teacher education programs
Co-Authors Arif Widiyatmoko, Arif Dede Cahyati Sahrir Saiful Ridlo Sri Ngabekti