Call: meta(y = TLMAData$correlations, v = TLMAData$vs, data = TLMAData) 95% confidence intervals: z statistic approximation Coefficients: Estimate Std.Error lbound ubound z value Pr(>|z|) Intercept1 -0.23606 0.25102 -0.72806 0.25593 -0.9404 0.3470 Tau2_1_1 0.12462 0.12602 -0.12238 0.37163 0.9889 0.3227 Q statistic on the homogeneity of effect sizes: 179.8323 Degrees of freedom of the Q statistic: 1 P value of the Q statistic: 0 Heterogeneity indices (based on the estimated Tau2): Estimate Intercept1: I2 (Q statistic) 0.9889 Number of studies (or clusters): 2 Number of observed statistics: 2 Number of estimated parameters: 2 Degrees of freedom: 0 -2 log likelihood: 1.533195 OpenMx status1: 0 ("0" or "1": The optimization is considered fine. Other values indicate problems.)