Figure 2 from Study (image) Dartmouth College Share Print E-Mail Caption Thi is the overall weighted effect size and 95 percent highest posterior density intervals and the independent influence of each moderator variable in explaining variation in effect size. Width of lines and size of points are proportional to the number of effect sizes in each category. Credit Adrian V. Jaeggi Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.