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Table 6 Fit indexes for invariance tests, 2019

From: Measuring public knowledge on nuclear weapons in the post-Cold War: dimensionality and measurement invariance across eight European countries

  χ2 df CFI RMSEA SRMR
Configural 458.8 256 0.990 0.032 0.046
Panel A: measurement invariance, latent variate scales unconstrained (except in the reference group)
 A1. Thresholds and loadings 480.1 249 0.989 0.035 0.048
 A2. + Intercepts 653.8 291 0.982 0.040 0.050
Panel B: measurement invariance, latent variate scales fixed across groups
 B1. Thresholds and loadings 733.6 319 0.979 0.041 0.071
 B2. + Intercepts 883.3 361 0.974 0.043 0.071
Panel C: structural invariance, latent variate scales fixed across groups
 C1. Variances: all constrained to unit 898.0 389 0.975 0.041 0.079
 C2. Variances: general released, specific constrained to unit 921.6 382 0.973 0.043 0.072
 C3. Means: general and specific constrained to zero 1456.9 410 0.948 0.057 0.072
 C4. Means: general factor released, specific fixed to zero 1367.5 403 0.952 0.055 0.072
Note: All models are estimated using unweighted least squares estimator with mean and variance adjusted test statistics. Models use delta parameterization. χ2, chi-squared test statistics; df, degrees of freedom; CFI, comparative fit index; RMSEA, root mean square error of approximation; SRMR, standardized root mean square residual.