Immediate Effects and Experiences of a Digital Single-Session Behavioural Activation Based Intervention for Adolescents: A Single Arm Pre-post Programme Evaluation of Project ABC in the UK

Sara Munir, Grace Perry, Jeffrey Lambert, Maria E. Loades, Department of Psychology, University of Bath, Department of Health, University of Bath, University of Bath Mental Health Research Group

Clinical Child Psychology and Psychiatry

Published online on March 19, 2026

Abstract

Clinical Child Psychology and Psychiatry, Volume 31, Issue 3, Page 1047-1066, July 2026.
BackgroundSelf-guided Digital Mental Health Interventions (DMHIs) are increasingly used amongst young people as they are scalable and may improve access to support.ObjectiveTo assess the acceptability, feasibility, utility, and immediate effects of ...