Treatment guidelines for psychotherapy describe a set of bestpractices based in part on scientific evidence. There have been severalsets of such guidelines published recently by governmental, professional, and health services organizations. The adequacy ofsuch guidelines, which perforce reduce the variability of professionalservices, depends on the adequacy of the scientific evidence with respectto both efficacy and clinical utility. The American PsychologicalAssociation formed a Task Force to develop a Template for DevelopingGuidelines in order to evaluate the scientific evidence for theseguidelines. This article describes the Template and then applies it to aset of recently promulgated guidelines. The Template was able todemonstrate the strengths and weaknesses of the variousdocuments.