Table 2.
Meta-Analytic Results: Estimates From Meta-Regression Models for all Structural Equation Model Parameters
| Meta-regression parameter | s | a | a′ | c | c′ | e | e′ |
|---|---|---|---|---|---|---|---|
| United States | .300 (.027) | .636 (.044) | .074 (.020) | .548 (.070) | −.046 (.032) | .479 (.033) | −.025 (.016) |
| Europe | .280 (.022) | .672 (.045) | −.027 (.022) | .507 (.052) | −.029 (.012) | .471 (.034) | .063 (.065) |
| Difference | .020 (.033) | −.036 (.065) | .101 (.032) | .042 (.086) | −.017 (.028) | .008 (.047) | −.088 (.068) |
| τ | .073 (.016) | .097 (.013) | .029 (.012) | .158 (.018) | .007 (.195) | .115 (.018) | .137 (.069) |
Note: The bottom row (τ) shows the standard deviations of the random effects, which represent residual heterogeneity in effect sizes. Standard errors are given in parentheses.