correlation coefficients (PCC) are conducted each year widely across economics, business, education, psychology, and medical … doing so, renders trivial any remaining meta-analysis bias. Our simulations also reveal that these meta-analysis biases are …-analyzed in standard ways with only negligible bias. However, in other fields in the social and the medical sciences that are …

large samples for poorly behaved distributions. The bias is almost always downward in absolute value. It arises because … sampling errors in the second moments are correlated with sampling errors in the weighting matrix used by OMD. Furthermore, OMD …

large samples for poorly behaved distributions. The bias is almost always downward in absolute value. It arises because … sampling errors in the second moments are correlated with sampling errors in the weighting matrix used by OMD. Furthermore, OMD …

Conventional meta-analyses of correlations are biased due to the correlation between the estimated correlation and its … (the unrestricted weighted least squares) that adjusts the degrees of freedom and thereby reduces small-sample bias to …, whether or not there is publication selection bias, However, publication selection bias remains a ubiquitous source of bias …