Model

χ²

df

χ²/df

RMSEA

CFI

NFI

NNFI

Four-factor model: CL, RA, SA, IRP

476.23

269

1.77

0.059

0.98

0.95

0.97

Three-factor model: CL, RA, SA + IRP

831.86

273

3.05

0.096

0.95

0.92

0.94

Two-factor model: CL, RA + SA + IRP

1201.10

276

4.35

0.12

0.89

0.86

0.88

One-factor model: CL + RA + SA + IRP

2382.90

278

8.57

0.18

0.83

0.81

0.82