Table 6. Alternative model analysis results and fit statistics.
Model Description | χ2 | DOF | RMSEA | RMSEA | 90% CI | CFI | N |
---|---|---|---|---|---|---|---|
Sample 1, ABIS attention unidimensional model | 19.63 | 4 | 0.050 | 0.029 | 0.073 | 0.994 | 1549 |
Sample 1, ABIS motor unidimensional model | 7.01 | 1 | 0.062 | 0.025 | 0.109 | 0.999 | 1549 |
Sample 1, ABIS nonplanning unidimensional model | 0.50 | 1 | 0.000 | 0.000 | 0.059 | 1.000 | 1549 |
ABIS unidimensional model (12×20; 13×30; 17×19 covariances) | 1170.53 | 62 | 0.107 | 0.102 | 0.113 | 0.901 | 1549 |
Steinberg et al. 8 item unidemensional model (5×9 covariance) | 424.46 | 19 | 0.117 | 0.108 | 0.127 | 0.900 | 1549 |
Spinella 15 item 3 factor model | 1614.48 | 87 | 0.106 | 0.102 | 0.111 | 0.871 | 1549 |
Sample 1, Patton et al. 1995 three factor bi-factor model | 3798.43 | 375 | 0.077 | 0.075 | 0.079 | 0.825 | 1549 |
Sample 1, ABIS three facto bi-factor model (no covariances) | 515.25 | 52 | 0.076 | 0.070 | 0.082 | 0.958 | 1549 |
Note. DOF = degrees of freedom; RMSEA = root mean square error of approximation; CI = confidence interval; CFI = comparative fit index.