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. 2020 Apr 24;11:770. doi: 10.3389/fpsyg.2020.00770

TABLE 4.

Fit statistics of all confirmatory and exploratory models.

χ2 (df) p SRMR CFI TLI AIC RMSEA [95% CI]
Neuropsychological consensus model
1. Initial model 140.97 (65) <0.001 0.068 0.924 0.893 8389.95 0.070 [0.054, 0.086]
2. Covariance between OCT and SCTa 99.32 (64) 0.003 0.056 0.965 0.950 8350.30 0.048 [0.028, 0.066]
3. Executive functioning and processing speed mergeda 109.49 (68) 0.001 0.057 0.958 0.944 8352.48 0.051 [0.032, 0.068]
Cattell-Horn Carroll model
1. Initial model 138.92 (65) <0.001 0.058 0.926 0.896 8387.90 0.069 [0.053, 0.085]
2. Covariance between OCT and SCTa 92.01 (64) 0.012 0.044 0.972 0.960 8343 0.043 [0.021, 0.061]

χ2, chi square; df, degrees of freedom; CFI, comparative fit index; AIC, Akaike information criterion; RMSEA, root mean square error of approximation; OCT, O-Cancellation Test; SCT, Star-Cancellation Test; TMT, Trail-Making Test; CHC, Cattell-Horn-Carroll; Gr, Retrieval fluency.aExploratory model change.