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Table 6 Summary of the measurement invariance models for the AARC-10 SF and the AARC-50 cognitive functioning subscale-sex groups

From: International relevance of two measures of awareness of age-related change (AARC)

AARC-10 SF
 Models RMSEA [95% CI] CFI SRMR
 Model 1: Configural invariance .07 [.06, .07] .95 .05
 Model 2: Metric invariance .06 [.06, .07] .95 .05
 Model 3: Strong invariance .07 [.07, .08] .92 .71
AARC-50 cognitive functioning subscale
 Models RMSEA [95% CI] CFI SRMR
 Model 1: Configural invariance .12 [.12, .12] .90 .05
 Model 2: Metric invariance .11 [.11, .12] .90 .05
 Model 3: Strong invariance .11 [.11, .11] .90 .10
  1. CONFIGURAL INVARIANCE = This model places no equality constraints across groups on factor loadings, the error variances, the variances of the latent variables, or the covariances of the latent variables
  2. METRIC INVARIACNE = This model places the factor loadings to be equal across groups
  3. STRONG INVARIANCE = This model constrains the factor loadings and the item intercepts to be equal across groups
  4. RMSEA = Root mean square error of approximation. CFI = Comparative fit index. SRMR = Standard root mean square residual