“…This view is supported by research demonstrating that therapists' self-appraisals typically differ from assessors' appraisals (Brosan, Reynolds, & Moore, 2008;Mathieson, Barnfield, & Beaumont, 2010;McManus et al, 2011). Self-assessment was, however, used to enhance therapists' capacity for self-reflection, a strategy that is supported by an increasing body of literature highlighting self-reflection as an important mechanism for therapist development (Bennett-Levy, 2006;Laireiter & Willutzki, 2003). Participants were aware of the difficulties in using patient outcome data to infer therapists' competence, particularly that it does not take into account treatment-specific factors (i.e., improved outcome may not be due to receiving CBT) and is confounded by patient variables (e.g., patient difficulty and comorbidity).…”