Biography
David Blok is an assistant professor at the Erasmus School of Social and Behavioural Sciences, Erasmus University Rotterdam. His research focuses on health behaviour change among young people, examining how generative AI and digital media affect their wellbeing and how these technologies can be used to promote healthy behaviours. Taking a systems perspective, he combines participatory methods, such as systems mapping, with quantitative simulation modelling to understand complex behavioural dynamics and to co-create digital interventions with stakeholders.
Research interests: health, behaviour change, digital interventions, genAI, systems approach.
Onderzoeksinteresses: gezondheid, gedragsverandering, digitale interventies, genAI, systeem methoden.
Erasmus Movez Lab: https://www.eur.nl/en/essb/research/movez-lab
- d.j.blok.1@erasmusmc.nl
Erasmus School of Social and Behavioural Sciences
- d.j.blok@essb.eur.nl
More information
Work
- David J. Blok, Bojan Simoski, Thabo J. van Woudenberg & Moniek Buijzen (2023) - The Usefulness of Web-Based Communication Data for Social Network Health Interventions: Agent-Based Modeling Study - JMIR Pediatrics and Parenting, 6 (1) - doi: 10.2196/44849 - [link]
- Jonas Schlicht, Thabo van Woudenberg, David J. Blok, Bojan Simoski & Moniek Buijzen (2026) - A Match Made in Language: Examining the Role of Linguistic Similarity in Adolescents’ Preference for Persuasive Health Messages in Social Media Contexts - Health Communication - doi: 10.1080/10410236.2026.2613120 - [link]
- David Blok, Frank Lenthe & Sake Vlas (2018) - The impact of individual and environmental interventions on income inequalities in sports participation: explorations with an agent-based model - International Journal of Behavioral Nutrition and Physical Activity, 15 - doi: 10.1186/s12966-018-0740-y - [link]
- David Blok, Sake Vlas, Roel Bakker & Frank Lenthe (2015) - Reducing Income Inequalities in Food Consumption: Explorations With an Agent-Based Model - American Journal of Preventive Medicine, 49 (4), 605-613 - doi: 10.1016/j.amepre.2015.03.042 - [link]
- David Blok, Sake Vlas, P van Empelen & Frank Lenthe (2017) - The role of smoking in social networks on smoking cessation and relapse among adults: A longitudinal study - Preventive Medicine, 99, 105-110 - doi: 10.1016/j.ypmed.2017.02.012 - [link]
- David Blok, Sake Vlas, Pepijn Empelen, Jan hendrik Richardus & Frank Lenthe (2013) - Changes in smoking, sports participation and overweight: Does neighborhood prevalence matter? - Health & Place, 23, 33-38 - doi: 10.1016/j.healthplace.2013.04.008 - [link]
3.2 Behaviour Change and Sustainability
- Year
- 2025
- Course Code
- ESSB-P3K-50
3.1 Positive behavior change in digital
- Year
- 2025
- Course Code
- ESSB-P3MIN50
4.1 Health Psychology & Behavior Change
- Year
- 2025
- Course Code
- FSWP4020H
