Table 3.
Trivariate Cholesky modeling results of genetic and environmental influences on general anxiety (GA), math problem solving (MPS), and mathematical anxiety (MA).
| Model Fit Indices and Model Comparisons | ||||
|---|---|---|---|---|
| Model | −2LL (df) | Δ−2LL(Δdf) | AIC | BIC |
| Full ACE Model | 3560.73 (1327) | - | 906.73 | −1893.66 |
| Full ADE Model | 3566.35 (1327) | - | 912.35 | −1890.85 |
| Reduced ACE Model | 3561.65 (1332) | Reduced vs. Full ACE: .92 (5) | 897.65 | −1907.04 |
|
| ||||
| Standardized Path Estimates from Reduced ACE Model | ||||
| Overlap between GA, MPS, and MA | Overlap between MPS and MA | Unique effects of MA | ||
|
| ||||
| A1 (95% CI) | A2 (95% CI) | A3 (95% CI) | ||
| GA | .66 (.52 – .76) | |||
| MPS | .15 (.00 – .32) | .62 (.37 – .80) | ||
| MA | .30 (.10 – .49) | .34 (.16 – .62) | .45 (.00 – .61) | |
|
| ||||
| C1 (95% CI) | C2 (95% CI) | C3 (95% CI) | ||
| GA | - | |||
| MPS | .58 (.32 – .73) | - | ||
| MA | - | - | - | |
|
| ||||
| E1 (95% CI) | E2 (95% CI) | E3 (95% CI) | ||
| GA | .75 (.65 – .86) | |||
| MPS | .01 (.00 – .12) | .51 (.44 – .59) | ||
| MA | .21 (.06 – .35) | .08 (.00 – .23) | .73 (.63 – .83) | |
Note: “-” = path fixed at 0. For abbreviations, see Table 2.