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Table 3 Summary of nested model tests regarding sex invariance

From: The developmental relation between aggressive behaviour and prosocial behaviour: A 5-year longitudinal study

   NFI CFI RMSEA CI 95% RMSEA Δdf χ 2 df
Teacher Unconstrained .931 .931 .059 .052-.065   256.040 38
  Constrained (Invariant) .939 .940 .050 .044-.055 6 261.930 44
Parent Unconstrained .919 .918 .074 .067-.081   386.755 38
  Constrained (Invariant) .922 .921 .060 .055-.065 6 391.420 44
Child Unconstrained .923 .919 .044 .037-.051   161.762 38
  Constrained (Invariant) .907 .904 .038 .033-.044 6 172.507 44
  1. Note: IFI = incremental fit index; CFI = comparative fit index; RMSEA = root mean square of approximation; Δdf = change degrees of freedom.