Despite these limitations, the present results provide strong evi- dence that CBT is an efficacious treatment for anxiety and related disorders in adults, and that its effects meaningfully exceed that of placebo. In addition, the impact of CBT extends beyond the symptoms of the disorder being targeted, and lasts beyond acute treatment. Results also suggest room for improvement, especially for treatingPTSD,SAD,andPD.Furthermore,additionaltrialsthatincludeITTanalyseswouldhelptomoreaccuratelyestimatetheeffectofCBT.