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Table 6 Measurement invariance of the BPNSFS across country and gender levels

From: Psychometric properties of the Arabic version of the Basic Psychological Needs Satisfaction-Frustration Scale (BPNSFS)

Level of measurement invariance Model fit indices Model comparison indices
  df CFI TLI RMSEA Δχ2 Δdf ΔCFI ΔRMSEA
Country          
 C1: Configural 1619.19 1185 0.917 0.904 0.045
 C2: Metric 1809.82 1257 0.895 0.885 0.049 190.63 72 − 0.022 0.004
 C3: Scalar 1897.99 1301 0.889 0.882 0.05 88.17 44 − 0.006 0.001
Gender          
 G1: Configural 734.71 474 0.946 0.937 0.035
 G2: Metric 750.52 492 0.946 0.94 0.035 15.81 18 0 0
 G3: Scalar 791.23 510 0.942 0.937 0.035 40.71 18 − 0.004 0