Question: Calculate confidence limits on the mean effect size computed in

Calculate confidence limits on the mean effect size computed in the previous exercise. Bloch Panza, Landeros-Weisenberger, Leckman (2009) conducted a meta-analysis on the treatment of Attention-Deficit/Hyperactivity Disorder (ADHD). There have been reports that psychostimulant medications given to children with ADHD who have a history of Tourette’s syndrome can increase the severity of tics. The authors found (among other studies) four studies that compared methylphenidate derivatives against placebo-controlled condition by rating scales for tic and ADHD severity. The results of these four studies for presence and frequency of tics are shown on the next page (The standard errors of d were estimated from the published results.)
Mazzucchelli, Kane, and Rees (2010) examined studies of behavioral activation as a way to improve feelings of subjective well-being. (They defined behavioral activation as “intentional behavioral, cognitive, or volitional activity . . . intended to cultivate positive feelings, behaviors, and/or cognitions.” They report data on 11 studies comparing treatment and control groups. These data are shown below broken down by those who showed minimal symptoms of depression and those who showed elevated symptoms. The results follow.

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