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n=number of effect sizes. k = number of papers (primary studies). N = total sample size, which is calculated by summing up the number of firms on which effect size estimates are based. Mean rho = estimated popu- lation mean partial correlation coefficient. The significance tests for mean differences are two-tailed t-tests.

Table 11 n=number of effect sizes. k = number of papers (primary studies). N = total sample size, which is calculated by summing up the number of firms on which effect size estimates are based. Mean rho = estimated popu- lation mean partial correlation coefficient. The significance tests for mean differences are two-tailed t-tests.