Background Insomnia is a frequent and distressing concern for cancer survivors and is often associated with increased risk for depression and anxiety. Although cognitive behavioral
OBJECTIVES: The increasing application of Acceptance and Commitment Therapy (ACT) in oncology suggests that psychological flexibility may be a crucial factor in the treatment of in
A psychometric validation study of a new instrument (APPI) embedded in a dual-arm RCT showing sound internal consistency and differentiation between interventions on a process measure, but lacking hard clinical outcomes and independent replication.