Table 2 A summary of fit statistics for multiple-group invariance tests
From: Analysis of heterogeneous growth changes in longitudinal height of children
Model description | Comparative model | X2 | df | \({\varvec{\Delta}}\)X2 | \({\varvec{\Delta}}\)df | p-value |
|---|---|---|---|---|---|---|
No equality constraints imposed (M1) | – | 547.158 | 20 | – | – | – |
All factor loadings constrained equal (M2) | M2 vs M1 | 1005.86 | 29 | 458.699 | 9 | 0.000 |
Equal mean intercept (M3) | M3 vs M1 | 586.751 | 23 | 39.593 | 3 | 0.000 |
Equal rate of change (M4) | M4 vs M1 | 693.723 | 23 | 146.565 | 3 | 0.000 |
Equal random variance (M5) | M5 vs M1 | 569.571 | 23 | 22.413 | 3 | 0.000 |