Table 2. Modification indices, expected parameter change and freely estimated residual correlations of the respecified models by module.

Modules	Items	Modification indices	Expected parameter change	Residual correlation
M3	i1↔i2	383.470	0.395	0.348
M5	i1↔i2	906.225	0.935	0.549
M6	i4↔i5	170.530	0.277	0.372
	i4↔i6	166.430	0.263	0.360
	i5↔i6	426.180	0.437	0.453
M7	i6↔i7	526.168	0.448	0.378
	i11↔i12	482.679	0.471	0.412