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Construct/Factorial Validity

YL Yang Luo
SL Sisi Li
JH Jingting He
DC Dan Cai
YD Yi Dai
LF Lijuan Feng
CS Chengqin Sun
XZ Xiaoping Zhu
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Factorial validity was applied to measure the correlation between a group of questionnaire items and a specific factor (construct). KMO and Bartlett’s test of sphericity was used to determine whether the data is suitable for factor analysis. Exploratory factor analysis (EFA) with varimax rotation was used to explore the possible structure of the scale. Confirmatory factor analysis (CFA) was conducted to verify the construct validity by fit indices and commended values of indices should be followed by: (1) CMIN/DF < 3.00; (2) NFI> 0.90; (3) CFI> 0.90; (4) GFI> 0.90; (5) RMSEA <0.08.

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