Published on in Vol 14 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/64756, first published .
The Effects of a Smartphone App (Feelee) to Enhance Adolescents’ Emotion Regulation Skills in a Forensic Outpatient Setting: Protocol for a Multiple Single-Case Experimental Design

The Effects of a Smartphone App (Feelee) to Enhance Adolescents’ Emotion Regulation Skills in a Forensic Outpatient Setting: Protocol for a Multiple Single-Case Experimental Design

The Effects of a Smartphone App (Feelee) to Enhance Adolescents’ Emotion Regulation Skills in a Forensic Outpatient Setting: Protocol for a Multiple Single-Case Experimental Design

Merel M L Leijse   1, 2, 3 , MSc ;   Levi van Dam   4, 5 , Prof Dr ;   Thimo M van der Pol   1, 6 , PhD ;   René Breuk   3 , MD, PhD ;   Arne Popma   1, 2 , Prof Dr, MD

1 Child and Adolescent Psychiatry & Psychosocial Care, Amsterdam UMC Location Vrije Universiteit, Amsterdam, The Netherlands

2 Amsterdam Public Health, Mental Health, Amsterdam, The Netherlands

3 Academic Center for Child and Adolescent Psychiatry, Levvel, Amsterdam, The Netherlands

4 Dutch Innovation Network for Societal Youth Challenges, Garage2020, Amsterdam, The Netherlands

5 Department of Child Development and Education, University of Amsterdam, Amsterdam, The Netherlands

6 Forensic Mental Health Care, Inforsa, Amsterdam, The Netherlands

Corresponding Author:

  • Merel M L Leijse, MSc
  • Child and Adolescent Psychiatry & Psychosocial Care
  • Amsterdam UMC Location Vrije Universiteit
  • Meibergdreef 9
  • Amsterdam 1105 AZ
  • The Netherlands
  • Phone: 31 020 566 9111
  • Email: m.m.l.leijse@amsterdamumc.nl