TABLE 5.
Competing confirmatory factor analytical models.
Model | Type | χ2 | df | χ2/df | CFI | TLI | RMSEA | SRMR | AIC | BIC | aBIC | Meets criteria | |
Model 1 | Single first-order factor model | 1113.4 | 35 | 31.81 | 0.75 | 0.68 | 0.22 | [0.212–0.235] | 0.09 | 15316.6 | 15449.3 | 15354.07 | No |
Model 2 | Three first-order factor model | 133.21 | 32 | 4.16 | 0.98 | 0.97 | 0.07 | [0.059–0.084] | 0.04 | 14342.4 | 14488.4 | 14383.6 | Yes |
Model 3 | Second-order factor model | 133.21 | 32 | 4.16 | 0.98 | 0.97 | 0.07 | [0.059–0.084] | 0.04 | 14342.4 | 14488.4 | 14383.6 | Yes |
Model 4 | Bifactor model | 46.95 | 25 | 1.88 | 1.00 | 1.00 | 0.04 | [0.020–0.054] | 0.02 | 14270.10 | 14447.1 | 14320.10 | Yes |
χ2 = Chi-square; df = degrees of freedom; TLI = Tucker-Lewis Index; CFI = Comparative Fit Index; RMSEA = Root Mean Square Error of Approximation [90% CI]; SRMR = Standardized Root Mean Square Residual; AIC = Akaike Information Criterion; BIC = Bayes Information Criterion; aBIC = Adjusted Bayes Information Criterion.
Bold: Non-significant p > 0.001.