
Fig. 1: Effect sizes for the hyperactivity index: teacher ratings (95% confidence interval [CI]). MPH = methylphenidate, ACTRS = Abbreviated Conners Teacher Rating Scale, CTRS = Conners Teacher Rating Scale, SSQ = School Situations Questionnaire. p values for statistical heterogeneity: *p < 0.001, †p = 0.03, ‡p = 0.02, §p = 0.03.