Model

χ²

df

RMSEA

CFI

SRMR

Correlated four-factor model

319.49

164

0.05

0.94

0.05

Second-order factor model

320.70

166

0.05

0.94

0.05

Single factormodel

722.00

170

0.10

0.79

0.08

Second-order factor model including a latent method factor

234.40

146

0.05

0.95

0.05