Index | TAS-20 Bifactor: SPARK | TAS-20 Bifactor: HPP | TAS-11 Bifactor: SPARK | TAS-11 Bifactor: HPP |
|---|
Model fit indices |
 χ2 (df)a | 590.6 (145) | 669.9 (145) | 151.6 (33) | 124.0 (33) |
 CFIcML | 0.924 | 0.900 | 0.970 | 0.978 |
 TLIcML | 0.900 | 0.869 | 0.951 | 0.963 |
 RMSEAcML [90% CI] | 0.072 [0.066, 0.078] | 0.086 [0.081, 0.092] | 0.080 [0.069, 0.092] | 0.068 [0.056, 0.079] |
 SRMRu [90% CI] | 0.036 [0.033, 0.004] | 0.051 [0.047, 0.056] | 0.020 [0.017, 0.024] | 0.019 [00.015, 0.023] |
 WRMR | 1.119 | 1.565 | 0.768 | 0.699 |
 |Residuals|> 0.1 | 2.60% | 8.90% | 0% | 0% |
 Largest residual | 0.149 | 0.225 | 0.084 | 0.055 |
Bifactor coefficients |
 ωT/ωH | 0.912/0.773 | 0.914/0.741 | 0.929/0.861 | 0.925/0.952 |
 ωS/ωHS (DIF) | 0.906/0.162 | 0.880/0.224 | 0.913/0.087 | 0.892/0.071 |
 ωS/ωHS (DDF) | 0.854/0.145 | 0.803/0.120 | 0.800/0.163 | 0.839/0.223 |
 ωS/ωHS (EOT) | 0.451/0.300 | 0.512/0.307 | – | – |
 ωS/ωHS (REV) | 0.559/0.441 | 0.692/0.689 | – | – |
- Fit indices that above the a priori cutoffs for acceptable model fit (CFI/TLI > 0.95, RMSEA < 0.06, SRMR < 0.08, WRMR < 1, all residuals < 0.1) are presented in bold
- TAS Toronto Alexithymia Scale, SPARK Simons Powering Autism Research Knowledge, HPP Human Penguin Project, CFIcML comparative fit index (categorical maximum likelihood estimation), TLIcML Tucker–Lewis Index (categorical maximum likelihood estimation), RMSEAcML root mean square error of approximation (categorical maximum likelihood estimation), SRMRu population-unbiased standardized root mean square residual, WRMR weighted root mean square residual, ωT omega total (composite reliability of total score), ωH omega hierarchical (proportion of total score variance accounted for by general factor), ωS omega subscale (composite reliability of subscale score), ωHS omega hierarchical subscale (proportion of subscale score variance accounted for by specific factor), DIF difficulty identifying feelings, DDF difficulty describing feelings, EOT externally oriented thinking, REV reverse-coded item method factor
- aAll p values < 0.001
