“…While this body of work suggests that CBT shows moderate effect sizes for coâoccurring anxiety and ASD in youth, there remains considerable heterogeneity in the effects between studies (Kreslins, Robertson, & Melville, ; Reynolds, Wilson, Austin, & Hooper, ; Ung, Selles, Small, & Storch, ), with estimates ranging from large (e.g., Chalfant et al, ) to small (e.g., Sofronoff, Attwood, & Hinton, ), and at least one documented instance of increased anxiety over treatment (as rated by parents, but not clinicians; Ooi et al, ). A Cochrane review further found that while CBT was effective for reducing anxiety diagnoses in youth with ASD when compared with waitlist controls, no differences were found when comparing CBT to active control treatments or treatment as usual (James, James, Cowdrey, Soler, & Choke, ), which aligns with other recent work showing no differences between CBT and personâcentered therapy for youth with coâoccurring ASD and anxiety (Murphy et al, ).…”