A Mobile Self-control Training App to Improve Self-control and Physical Activity in People With Severe Mental Illness: Protocol for 2 Single-Case Experimental Designs

Tessa Dekkers   ¹ , PhD ;   Tahnee Heirbaut   ¹ , MSc ;   Stephanie E Schouten   ¹ , MSc ;   Saskia M Kelders   ^{1, 2} , PhD ;   Nienke Beerlage-de Jong   ³ , PhD ;   Geke D S Ludden   ⁴ , PhD, IR ;   Jeroen Deenik   ^{5, 6} , PhD ;   Yvonne H A Bouman   ⁷ , PhD ;   Hanneke Kip   ^{1, 7} , PhD

¹ Centre for eHealth and Wellbeing Research, Department of Technology, Human and Institutional Behaviour, University of Twente, Enschede, The Netherlands

² Optentia Research Unit, North-West University, Vanderbijlpark, South Africa

³ Technical Medical Centre, Section of Health Technology and Services Research, University of Twente, Enschede, The Netherlands

⁴ Department of Design Production & Management, Faculty of Engineering Technology, University of Twente, Enschede, The Netherlands

⁵ GGz Centraal, Amersfoort, The Netherlands

⁶ School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands

⁷ Department of Research, Stichting Transfore, Deventer, The Netherlands