Abstract
The study aimed to study factor of professional teachers teaching Science and Mathematics in Thailand through the second-order confirmatory factor analysis. The samples were 132 Science and Mathematics teachers during 2019 academic year in Thailand. They were selected by using the Multi-stage random sampling. Research instrument included 86 items of the questionnaire asking professional teacher’s characteristic, the 5 Level Rating Scale with reliability of total issue = 0.943. Data were analysed by using the second-order confirmatory factor analysis. The findings were as follows: The second-order confirmatory factor analysis model regarding to characteristics of professional teachers in Science and Mathematics in Thailand, was fit and congruent the empirical data. (%2 = 83.490, df = 64, p-value = 0.0514, CFI = 0.989, TLI = 0.981, RMSEA = 0.048, SRMR = 0.049, and x 2 / df = 1.304 )Every factor and indicator in the model, was significant and supportive with each other.
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