การพัฒนาเครื่องมือวัดความคิดสร้างสรรค์ของนักศึกษาอาชีวศึกษา

Peeraya Sukkeewan

Authors

Peeraya Sukkeewan Chanthaburi Technical College

Keywords:

creative thinking, measurement instrument, vocational students, confirmatory factor analysis

Abstract

This study aimed to develop and validate a creative thinking scale for vocational education students. The instrument consisted of 20 items rated on a five-point Likert scale and covered four components: originality, fluency, flexibility, and elaboration. The sample included 700 vocational students selected through multi-stage sampling. The instrument was examined for content validity, reliability, and construct validity using confirmatory factor analysis (CFA). The results indicated that the instrument demonstrated strong psychometric properties. The content validity index ranged from 0.80 to 1.00, and the overall reliability coefficient (Cronbach’s alpha) was 0.97, indicating a high level of internal consistency. In addition, the results of the confirmatory factor analysis (CFA) showed that the measurement model was well fitted to the empirical data. The model fit indices were χ²/df = 2.68, CFI = 1.00, GFI = 0.95, AGFI = 0.92, RMSEA = 0.049, and SRMR = 0.02, all of which met the recommended criteria for model fit. These findings suggest that the developed instrument possesses satisfactory validity and reliability and can be effectively used to assess the creative thinking of vocational education students.

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