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Testing Construct Validity of Competency Indicators of Scientific Literacy in Junior Secondary Students

Author

Listed:
  • Jomtarak Chayada
  • Suwanjan Peerawut
  • Pupat Phadungchai

    (Faculty of Industrial Education and Technology, King Mongkut’s Institute of Technology Ladkrabang (KMITL))

  • Jomtarak Rangsan

    (Faculty of Science and Technology, Suan Dusit University)

Abstract

This research aimed to check the construct validity of competency indicators of scientific literacy in junior secondary students. The steps for conducting the research included a sample of 392 persons, derived from stratified random sampling, from a population of 22,855. The instrument used in this research is a measurement tool with a reliability of 0.838. Statistical analysis includes confirmatory factor analysis, mean, standard deviation, and one-way analysis of variance. The study results found that scientific literacy indicators of junior secondary students had construct validity by taking into consideration Chi-square = 20.842, df = 17, p = 0.233 and X2/df = 1.226. which was less than 2, while RMSEA = 0.024, RMR = 0.07, which was near to 0, GFI = 0.987, AGFI = 0.972, CFI = 0.979.

Suggested Citation

  • Jomtarak Chayada & Suwanjan Peerawut & Pupat Phadungchai & Jomtarak Rangsan, 2019. "Testing Construct Validity of Competency Indicators of Scientific Literacy in Junior Secondary Students," Mediterranean Journal of Social Sciences, Sciendo, vol. 10(2), pages 81-92, March.
    • Handle: RePEc:vrs:mjsosc:v:10:y:2019:i:2:p:81-92:n:8
    DOI: 10.2478/mjss-2019-0025
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