Development and Feasibility of a Digital Acceptance and Commitment Therapy–Based Intervention for Generalized Anxiety Disorder: Pilot Acceptability Study

Nicola R Hemmings   ^{1, 2} , BSc, MSc ;   Jamie M Kawadler   ² , BA, MSc, PhD ;   Rachel Whatmough   ^{3, 4} , BSc, DClinPsy ;   Sonia Ponzo   ² , BSc, MSc, PhD ;   Alessio Rossi   ⁵ , BSc, MD, PhD ;   Davide Morelli   ^{2, 6} , BSc, MSc, PhD, DPhil ;   Geoffrey Bird   ^{2, 7, 8} , BSc, MA, PhD ;   David Plans   ^{2, 7, 9} , BA, MSc, PhD

¹ Department of Organizational Psychology, Birkbeck University of London, London, United Kingdom

² BioBeats Group Ltd, London, United Kingdom

³ Work With Wellbeing, London, United Kingdom

⁴ Salomons Institute for Applied Psychology, Canterbury Christ Church University, Kent, United Kingdom

⁵ Department of Computer Science, University of Pisa, Pisa, Italy

⁶ Department of Engineering Science, Institute of Biomedical Engineering, University of Oxford, Oxford, United Kingdom

⁷ Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom

⁸ Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom

⁹ Initiative in the Digital Economy, Department of Science, Innovation, Technology, and Entrepreneurship, University of Exeter, Exeter, United Kingdom