A Mobile App–Based Intervention for Depression: End-User and Expert Usability Testing Study

Matthew Fuller-Tyszkiewicz   ¹ , PhD ;   Ben Richardson   ^{2 *} , PhD ;   Britt Klein   ^{3 *} , DPsych (Clinical) ;   Helen Skouteris   ^{4, 5 *} , PhD ;   Helen Christensen   ^{6 *} , PhD ;   David Austin   ^{1 *} , DPsych (Clinical) ;   David Castle   ^{7 *} , PhD ;   Cathrine Mihalopoulos   ^{8 *} , PhD ;   Renee O'Donnell   ^{1 *} , BSc (Hons) ;   Lilani Arulkadacham   ^{5 *} , PhD ;   Adrian Shatte   ^{3 *} , PhD ;   Anna Ware   ¹ , BSc (Hons)

¹ School of Psychology, Deakin University, Geelong, Australia

² Cairnmillar Institute, Melbourne, Australia

³ School of Science, Engineering & Information Technology, Federation University, Ballarat, Australia

⁴ School of Psychology, Deakin University, Melbourne, Australia

⁵ School of Psychological Sciences, Monash University, Melbourne, Australia

⁶ Black Dog Institute, University of New South Wales, Sydney, Australia

⁷ Department of Psychiatry, University of Melbourne, Melbourne, Australia

⁸ School of Health and Social Development, Deakin University, Geelong, Australia

*these authors contributed equally