Background: There is limited research on the applicability and effectiveness of Acceptance and Commitment Therapy (ACT) for people experiencing psychotic disorders. Clinical trials suggest ACT may be efficacious in reducing distress and rehospitalization rates in psychosis. Mindfulness and reduced literal believability of thought content have been associated with reduced distress for this population. Aims: To better understand ACT for psychosis, this study investigated clients? perspectives of the hypothesized active therapeutic processes of ACT.