Marije van Dalen

Marije van Dalen

Postdoctoral Researcher

Erasmus MC Sophia Children's Hospital


Dr. Marije van Dalen is a postdoctoral researcher with an interest in paediatric psychology at the Erasmus MC Sophia Children’s Hospital, the Netherlands. She obtained her PhD in paediatric psychology in January 2022. Her postdoctoral research focuses on value-based health-care in children and young people with inflammatory bowel disease as well as the Grow It! app. This app focuses on improving coping of young people with a chronic health condition.

Her PhD 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. To further develop her research skills, she spent three months at the Center for Appearance Research in Bristol, England


  • eHealth & mHealth
  • Paediatric psychology
  • Visible differences/appearance-altering injuries or conditions
  • Psychological interventions


  • 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.

Patients’ experiences of primary healthcare and dermatology provision for alopecia (preprint)

A mixed-methods study of patients’ experiences with care provision by dermatologists and GP for alopecia.

Do congenital and acquired causes of visible difference predict distinct appearance-related psychosocial outcomes?

This brief research report looks at differences in psychosocial outcomes for people with an acquired visible difference versus those with a congenital visible difference.

Anxiety, depression and quality of life in children and adults with alopecia areata: A systematic review and meta-analysis

A systematic review and meta analysis of 93 papers focussing on the psychosocial effects of living with alopecia areata.

Acceptability and feasibility of an online psychosocial intervention for Dutch adolescents with a visible difference: A mixed-methods study

The acceptability feasibility of YP Face IT was tested in interviews with 14 adolescents with a visible difference. Results show YP Face IT may be acceptable and feasible.

Reducing social anxiety in adolescents distressed by a visible difference: Results from a randomised control trial of a web-based intervention

This article features the results of a Dutch and Norwegian RCT investigating YP Face It.


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.

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

Science pitch/quiz

A science quiz as part of the show preceding the documentary “niet alleen op de wereld” (not alone in this world), together with Kayla Green.

Living with a visible difference

A talk for CMTC-OVM (Dutch patient association).

Living with a visible difference

A talk for NNN (Dutch patient association).



Postdoctoral researcher

Erasmus MC - Sophia Children’s Hospital

Jan 2022 – Present Rotterdam, The Netherlands
Value-based healthcare for children and adolescents with an inflammatory bowel disease & work on the Grow It! app.

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.


  • Wytemaweg 80
    3015 CN Rotterdam