Studies were excluded if (1) they consisted of secondary analy- ses of a larger, more complete, or earlier study; (2) placebo interven- tions included active treatment ingredients for the target problem (e.g., self-guided exposures); (3) the CBT intervention was deemed to be “third-wave” (Acceptance and Commitment Therapy, mindfulness- based interventions, etc.); (4) the entire study sample had a particu- lar comorbidity (e.g., substance abuse or a medical condition); or (5) theinterventiontookplaceremotely(overthephoneorcomputer;see Olthuis, Watt, Bailey, Hayden, and Stewart (2015) for a meta-analysis onInternet-basedCBTforanxiety).