Furthermore,nodifferenceinpre–posteffectsizesforplacebogroupswas found between psychological (Hedges’ g = 0.53, 95% CI = 0.44–.63)andpillplacebos(Hedges’ g = 0.45,95%CI = 0.35–0.55; QB = 1.47, df = 1, P = n.s.).Finally,nodifferencewasfoundbetweeneffectsizesof self-reportmeasures(Hedges’ g = 0.53,95%CI = 0.40–0.67, P < .0001) andclinician-administeredmeasures(Hedges’ g = 0.50,95%CI = 0.36– 0.64, P < .0001; QB = 0.13,df = 1, P = n.s.).