“…Effect sizes for all included studies on outcomes at the patient level are presented in the harvest plot in Figure 2 . Of 20 effect sizes Cohen's d on rating scales measuring severity of psychopathology, 17 were positive, 16 , 33 , 34 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 48 , 49 , 50 , 51 with nine small, 33 , 34 , 39 , 42 , 43 , 44 , 45 , 49 , 51 seven moderate 16 , 33 , 40 , 41 , 46 , 48 , 50 and one large effect size. 47 Since the 95% CI crossed the null‐line in 11 cases, eight effect sizes could be considered significantly positive in favour of the guideline.…”