Factorial validity and measurement invariance of the uncertainty response scale

Psicologia: Reflexão e Crítica

Psychology: Research and Review

Table 8 Models’ comparison for invariance tests for URS for sociocultural level invariance (joining samples 2 and 3, N = 1084)

Invariance level	Definition	Model	χ²	df	Δ χ²	Δ df	p	CFI	RMSEA	Δ CFI	Δ RMSEA	Δ SRMR
Configural invariance	Same factor structure	M1	1717.985	807				.92	.032
Metric invariance	Same factor structure and factor loadings	M2-M1	1777.097	851	59.111	44	.064	.92	.032	− .002	0	.001
Scalar invariance	Same factor structure, factor loadings, and intercepts	M3-M2	1876.510	901	99.413	50	< .001	.92	.032	− .004	0	.000
Error variance invariance	Same factor structure, factor loadings, and error variances	M4-M3	1888.243	913	11.734	12	.467	.92	.031	0	− .001	.007
Structural invariance	Same factor structure, factor loadings, error variances, and factors’ covariance	M5-M4	2001.239	969	112.996	56	< .001	.91	.031	− .005	0	.001

χ² Chi-square, df degrees of freedom, Δ χ² difference between model’s χ², Δ df difference between models’ df, p p value, CFI comparative fit index, RMSEA root mean square error of approximation, Δ CFI difference between model’s CFI’s, Δ RMSEA difference between model’s RMSEA, Δ SRMR difference between model’s standardized root mean square residuals, M1 to M5 models tested