. . . "For each of these domains, Table 1 gives an example of the types of studies conducted and the average magnitude of the effect obtained.3 After another dozen years had gone by, there were 464 studies, with an overall d of .63, r of .30, and r2 of .09.4, 5Unfortunately, evaluating the social importance of these results is problematic because all three of these effect-size estimates suffer from the s" .