Table 1.
Summary of parameters of structural model for correlations between relatives
| Parameter | Description | Free1 |
|---|---|---|
| M | Correlation between spouses | F |
| G | Path from persistent additive genetic effect to adult phenotype | F |
| D | Path from persistent additive genetic effect to juvenile phenotype | F |
| B | Path from juvenile limited genetic effect to juvenile phenotype | F |
| U | Path from adult shared environment to adult phenotype | F |
| W | Path from parental phenotype to juvenile shared environment | D |
| C | Path from juvenile shared environment to juvenile phenotype | F |
| V | Path from juvenile specific shared environment to phenotype | F |
| R | Correlation between persistent genetic and shared environmental effects | D |
| Wc | Partial regression of juvenile outcome on parental phenotype | D |
| Q | Correlation between juvenile specific additive genetic effects | D |
| F | Correlation between additive genetic effects of siblings/twins | D |
Note1: Parameters are designated as free (F), or derived (D) from other model parameters.