Evaluation of Validity and Reliability of Questionnaires on Personality Traits, Self-Efficacy, Emotional Labor and Subjective Well-Being
Abstract
This study aims to test the reliability and validity of a scale used to measure the subjective well-being of preschool teachers in China. It provides standardized measurement tools for related research and offers a scientific basis for maintaining the occupational health of preschool teachers and promoting educational quality. This study was grounded in the positivist paradigm and used the purposive sampling method to conduct a pilot survey with 424 preschool teachers. The core focus of the study was on the verification process of measurement tools. Reliability and validity were verified through expert evaluation, exploratory factor analysis, Cronbach's α analysis, and the KMO test. The study showed that the KMO value for the scale consisting of 51 items exceeded the required threshold for adequacy, and the Cronbach's alpha coefficients for all items were above 0.70. These findings underscore the scale’s strong reliability and validity, suggesting that it can serve as a dependable tool for future research on the subjective well-being of preschool teachers.
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