Coach-Supported Versus Self-guided Digital Training Course for a Problem-solving Psychological Intervention for Nonspecialists: Protocol for a Pre-Post Nested Randomized Controlled Trial

Sonal Mathur   ¹ , BA, MA, MPhil, PhD ;   Helen A Weiss   ² , BSc, MSc, DPhil ;   Melissa Neuman   ² , AB, MS, Scd ;   Andy P Field   ³ , BSc, PhD ;   Baptiste Leurent   ⁴ , BSc, MSc, PhD ;   Tejaswi Shetty   ¹ , BA, MA ;   James E J   ¹ , BSc ;   Pooja Nair   ¹ , BA, MA ;   Rhea Mathews   ¹ , BA, MSc ;   Kanika Malik   ⁵ , BA, MA, MPhil, PhD ;   Daniel Michelson   ^{3, 6 *} , MA, MSc, DClinPsy ;   Vikram Patel   ^{7 *} , MBBS, MSc, MRCPE, PhD

¹ Sangath, New Delhi, India

² Medical Research Council International Statistics and Epidemiology Group, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom

³ School of Psychology, University of Sussex, Brighton, United Kingdom

⁴ Department of Statistical Science, University College London, London, United Kingdom

⁵ Jindal School of Psychology and Counselling, O.P. Jindal Global University, Sonipat, India

⁶ Department of Child and Adolescent Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom

⁷ Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, United States

*these authors contributed equally