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The analysis had 3 stages 1) product development concerning a professional panel; 2) scale examination comprising a face quality test with 12 students and a test with 817 students, of which 267 participated in a retest; and 3) scale validation including examination dimensionality by confirmatory factor analysis (CFA), interior dependability by Cronbach α, outside dependability by intraclass coefficient (ICC), and convergent and predictive legitimacy by regression analysis. CFA r