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Validity and Reliability of Green Chemistry Literacy Test Questions for Secondary School Students

Author

Listed:
  • Wan Mazlina Wan Mehammud

    (School of Educational Studies, Universiti Sains Malaysia, 11800 USM Penang, Malaysia)

  • Nur Jahan Ahmad

    (School of Educational Studies, Universiti Sains Malaysia, 11800 USM Penang, Malaysia)

Abstract

Several studies have been conducted to ascertain the understanding of Green Chemistry among secondary school students. It is believed that students’ comprehension of Green Chemistry concepts has impacted their understanding of environmental issues. The development of an instrument to assess the literacy of Green Chemistry among secondary school students in a Malaysian context was conducted in this study. This study also aimed to determine the validity and reliability processes that were carried out to establish test questions measuring Green Chemistry literacy among secondary school students during activity learning in schools. This instrument was adapted from the Green Chemistry High School Test Questions used before. The validity of all items in this test questions was checked and verified by three (3) experts. The structure of the items was reviewed using content validity index (CVI) rates and received feedback from the experts. According to face validity analysis which was conducted, the instrument with a total of 43 items was validated, and the S-CVI/Ave value is 0.99. A pilot study was conducted with 30 respondents to determine the reliability of the instrument to assess Green Chemistry literacy among Malaysian secondary school students. The Correlation Coefficient of the test questions analysed by using Kuder-Richardson 20 showed a score of 0.95, thus establishing the validity and reliability of this instrument in assessing the Green Chemistry literacy among secondary school students.

Suggested Citation

  • Wan Mazlina Wan Mehammud & Nur Jahan Ahmad, 2025. "Validity and Reliability of Green Chemistry Literacy Test Questions for Secondary School Students," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 9(7), pages 5066-5078, July.
    • Handle: RePEc:bcp:journl:v:9:y:2025:issue-7:p:5066-5078
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    References listed on IDEAS

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