To calculate the effect of changes in carbohydrate and fatty acid intake on serum lipid and lipoprotein levels, we reviewed 27 controlled trials published between 1970 and 1991 that met specific inclusion criteria. These studies yielded 65 data points, which were analyzed by multiple regression a...

A meta-analysis of group treatments for bulimia was conducted. Forty outcome reports were coded on treatment, design, and subject variables. Effect sizes represent pre-treatment to post-treatment changes in bulimia symptoms. The weighted average effect size for group treatment was +0.75 at po...