Marije van Dalen

Marije van Dalen

Postdoctoral Researcher

Delft University of Technology

Erasmus MC Sophia Children's Hospital

Biography

Dr. Marije van Dalen is a postdoctoral researcher and principal investigator specialising in digital mental health interventions and the impact of digital environments on adolescents. She is a principal investigator on the Your Bridge Project, in which she has developed a preconsultation chatbot for adolescents with a chronic illness that have been referred to psychological care. Other work includes the Grow It! app, an RCT on a preventive mobile Health app for children aged 10 to 18.

She obtained her PhD in paediatric psychology in January 2022. Her PhD thesis focused on an online psychological intervention for adolescents with a visible difference, as well as the mental well-being of parents of children with a visible difference. As part of her PhD, she spent three months at the Center for Appearance Research in Bristol, England.

Interests

  • AI and Mental Health
  • Digital Interventions
  • Paediatric Psychology
  • Patient and Public Involvement

Education

  • PhD in Paediatric Psychology, 2022

    Erasmus MC/Erasmus University Rotterdam

  • MSc in Child and Adolescent Psychology, 2016

    Erasmus University Rotterdam

  • BSc in Psychology, 2014

    Erasmus University Rotterdam

Recent Publications

These are my most recent publications. See more by clicking this link.

Adversity or Advantage? Daily Stress Responses of Adolescents With Chronic Illnesses Compared to Healthy Adolescents

We sought to understand whether having a chronic illness makes adolescents more vulnerable to stress, or whether it makes them more resilient.
Lianne de Vries, Loes Keijsers, Jeroen Legerstee, Hanneke Scholten, Manon Hillegers, Marije van Dalen
PDF Code DOI

Experiences of Parents Expecting a Child with a Cleft: A Qualitative Interview Study into Healthcare Provision and Parental Concerns

An interview study where we interviewed expectant parents during pregnancy.
Mariska van Veen - van der Hoek, Rebecca Meuldijk, Jolanda Okkerse, Attie Go, Eppo Wolvius, Marije van Dalen
PDF Project DOI

Implementing routine medical and mental health screening in children and adolescents with Inflammatory Bowel Disease

A project in which we implemented value-based healthcare in the outpatient clinic for children and adolescents with IBD.
Marije van Dalen, Martha van Gaalen, Marein Favejee, Monique den Hollander-Ardon, Karolijn Dulfer, Lissy de Ridder, Hankje Escher
PDF Project DOI

Patients' experiences of primary healthcare and dermatology provision for alopecia

Collaboration between Alopecia UK and the Centre for Appearance Research. This study describes the results of an elaborate survey on healthcare experiences of adult patients with alopecia.
Fabio Zucchelli, Marije van Dalen, Nick Sharrat, Amy Johnson, Jen Chambers
PDF DOI

Applications of the Experience Sampling Method (ESM) in paediatric healthcare: a systematic review

A systematic review investigating the ways in which ESM is used in paediatric healthcare and research. ESM is a method using questions multiple times a day to investigate thoughts, feelings and behaviours in the context they take place.
Marije van Dalen, Anne Snijders, Evelien Dietvorst, Katrien Bracké, Sanne Nijhof, Loes Keijsers, Manon Hillegers, Jeroen Legerstee
PDF Dataset Project DOI
See all publications

Projects

Your Bridge (My Digital Friend)

A multidisciplinary project focused on developing a preconsultation chatbot for adolescents with a chronic illness with a referral to psychological healthcare.

Parents expecting a child with a cleft

Study on parents expecting a child with a cleft, investigating their experiences with healthcare and concerns for the future

Grow It! app

An app for young people with a chronic health condition.

Psychosocial aspects of alopecia

Creating a comprehensive overview of the psychological aspects of living with alopecia.

PROMs for pediatric IBD patients

Implementing and testing PROMs in hospital care for children and adolescents with IBD.

ERN CRANIO e-learnings

Developing educational videos and webinars for patients with a craniofacial condition and their family.
Video

Mental well-being of parents with a child with a visible difference

A project studying the well-being of parents of children with a visible difference.

Face IT voor jongeren/Young People Face IT

A project testing the feasibility and effectiveness of an online psychological intervention for adolescents with a visible difference.

Recent & Upcoming Talks

The Future is Digital (Invited Presentation for closing Ignite session)

The current healthcare system is under pressure. In this talk I outlined how our future should be digital to alleviate some of these pressures.
Jun 11, 2026 United Kingdom

Informatie-avond Zichtbaar en Weerbaar

A presentation on the information evening for (parents of) patients with syndromic craniosynostosis, focussing on the psychosocial aspects of living with a visible difference.
Mar 31, 2026 Online

Mental well-being: Digital support for adolescents in the hospital

A presentation on the information day of the patient association for juvenile idopathic arthritis (Jeugdreuma Vereniging Nederland).
Nov 2, 2025 de Biesbosch, the Netherlands
Project
See all talks

Experience

 
 
 
 
 

Postdoctoral researcher

Delft University of Technology

Jan 2025 – Present Delft, The Netherlands
 
 
 
 
 

Postdoctoral researcher

Erasmus MC Sophia Children’s Hospital

Jan 2022 – Present Rotterdam, The Netherlands
 
 
 
 
 

Visiting Scholar

Centre for Appearance Research, University of the West of England

Sep 2021 – Nov 2021 Bristol, England
 
 
 
 
 

Research Psychologist

Levvel/Amsterdam UMC

Apr 2021 – Mar 2022 Amsterdam, The Netherlands
Research Psychologist for the TIC Genetics study.

 
 
 
 
 

PhD student

Erasmus MC Sophia Children’s Hospital

Nov 2017 – Jan 2022 Rotterdam, The Netherlands
Focus on psychological aspect of living with a visible difference and the YP Face IT intervention
 
 
 
 
 

Research/education employee

Utrecht University

Jan 2017 – May 2017 Utrecht, The Netherlands
Disseminating knowledge about internationalising the Clinical Psychology master. Screening articles for the meta-analysis on biological markers for depression (see publications).
 
 
 
 
 

Teacher, psychology bachelor and master

Erasmus University Rotterdam

Jan 2015 – Dec 2016 Rotterdam, The Netherlands
Supervising study groups for bachelor’s and master’s student. Supervising practicals.

Contact

  • Wytemaweg 80
    3015 CN Rotterdam