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Psychology: Research and Review

Table 6 Models’ comparison for invariance tests for URS for samples CFA1 and CFA2)

From: Factorial validity and measurement invariance of the uncertainty response scale

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

1310.183

538

   

.93

.036

   

Metric invariance

Same factor structure and factor loadings

M2-M1

1329.172

560

18.989

22

.65

.93

.036

0

0

.000

Scalar invariance

Same factor structure, factor loadings, and intercepts

M3-M2

1350.831

585

21.659

25

.66

.93

.035

0

-.001

0

Error variance invariance

Same factor structure, factor loadings, and error variances

M4-M3

1359.107

591

8.275

6

.22

.93

.035

0

0

.002

Structural invariance

Same factor structure, factor loadings, error variances, and factors’ covariance

M5-M4

1391.799

616

32.692

25

.14

.93

.034

0

-.001

.001

  1. 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