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Journal of Science Learning
Published by Universitas Pendidikan Indonesia
ISSN : 26146568     EISSN : 26146568     DOI : -
Core Subject : Education,
Education
Journal of Science Learning (JSL) (ISSN 2614-6568) is an open access and peer-reviewed journal published by Universitas Pendidikan Indonesia. The work collaborates with Indonesian Society for Science Educators. It serves original articles on the latest issues and trends in high quality research and theoretical position papers concerning preservice and in-service education of science teachers. The article offers ways to improve classroom science teaching and learning, and professional development. JSL is a triangual journal issued on March, July, and November.
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Search results for , issue "Vol 8, No 2 (2025): Journal of Science Learning" : 1 Documents clear
Sustainable Ecology Scale: Development Study for Secondary School Students Arslan, Kevser; Görgülü Arı, Aslı; Akçay, Behiye
Journal of Science Learning Vol 8, No 2 (2025): Journal of Science Learning
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jsl.v8i2.83553

Abstract

This study aimed to develop a valid and reliable Sustainable Ecology Scale for secondary school students. The exploratory sequential design, a type of design within mixed-methods research, was employed. The study sample consisted of 500 secondary school students from various grade levels. To construct the draft version of the scale, a 96-item question pool was generated based on predefined learning objectives. In the initial phase, the draft scale was reviewed by expert evaluators, resulting in a reduction to 69 items. Following a pilot study, necessary adjustments were made, and the final version was implemented in the main study. The collected data were analyzed using statistical software, and both exploratory factor analysis and confirmatory factor analysis were conducted to ensure construct validity. The scale’s reliability was assessed through Cronbach’s alpha internal consistency coefficient, while item analyses, item-total correlation values, and factor correlations were examined. The results of CFA confirmed a three-factor structure, with fit indices indicating an acceptable to excellent model fit. As a result, a five-point Likert-type Sustainable Ecology Scale consisting of 32 items was developed, demonstrating a high internal consistency (Cronbach's alpha = 0.934). The findings indicate that the developed scale is a valid and reliable measurement tool suitable for assessing sustainable ecology awareness among secondary school students.

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