Personal profile
Link to Utrecht University staff page
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 5 Gender Equality -
SDG 8 Decent Work and Economic Growth -
SDG 10 Reduced Inequalities -
SDG 16 Peace, Justice and Strong Institutions
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Publication network from the last five years
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Charting the Scientific Landscape of Indirect Estimation Models in Doping Prevalence Research: A Bibliometric Analysis with Narrative Appraisal
Petróczi , A., Sagoe, D., Kiss, A., Soós, S., Chegeni, R., Veltmaat, A., Cruyff, M., Van der Heijden, P. G. M. & de Hon, O., 3 Jun 2026, In: Sports. 14, 6, 229.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile -
Doping Prevalence in Sport from Indirect Estimation Models: A Systematic Review and Meta-analysis
Sagoe, D., Cruyff, M., Chegeni, R., Veltmaat, A., Kiss, A., Soós, S., de Hon, O., Van der Heijden, P. G. M. & Petróczi , A., 7 Jun 2026, In: Sports Medicine - Open. 12, 14 p., 64.Research output: Contribution to journal › Review article › peer-review
Open AccessFile -
Irregular Migrants in the Netherlands: Long-Term Trends and New Estimates, 2018–2023
van der Heijden, P. G. M., Cruyff, M. J. L. F., Engbersen, G. B. M., Lugtig, P. & van Gils, G. H. C., Mar 2026, Utrecht: Universiteit Utrecht. 60 p.Research output: Book/Report › Report › Professional
Open AccessFile -
Schattingen onrechtmatig in Nederland verblijvende vreemdelingen medio 2018 – 2019 tot medio 2022-2023
van der Heijden, P. G. M., Cruyff, M. J. L. F., Engbersen, G. B. M., Lugtig, P. & van Gils, G. H. C., 2026, Utrecht: WODC. 73 p.Research output: Book/Report › Report › Professional
Open AccessFile -
The Extended Crosswise Model Adjusted for Random Answering
Sayed, K., Cruyff, M., Petróczi , A. & Van der Heijden, P. G. M., 27 Mar 2026, (E-pub ahead of print) In: Journal of Survey Statistics and Methodology. smag004.Research output: Contribution to journal › Article › Academic › peer-review
Open Access
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Refinement of the extended crosswise model with a number sequence randomizer
van der Heijden, P. (Invited speaker) & Cruyff, M. (Invited speaker)
9 Jun 2023Activity: Talk or presentation › Invited talk › Academic
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Summerschool: Data Science: Statistical Programming with R
Frank, L. (Organiser), Cruyff, M. (Organiser), Shafiee Kamalabad, M. (Organiser) & Goretzko, D. (Organiser)
3 Jul 2023 → 7 Jul 2023Activity: Participating in or organising an event › Workshop, seminar, course › Academic
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Summerschool: Data Science: Data analysis
Cruyff, M. (Organiser) & Haqiqatkhah, M. M. (Organiser)
10 Jul 2023 → 14 Jul 2023Activity: Participating in or organising an event › Workshop, seminar, course › Academic
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WADA (Advice on randomized response for monitoring doping use) (External organisation)
Cruyff, M. (Member)
1 Jan 2023 → 1 Dec 2023Activity: Membership › Membership of board › Professional
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Summerschool: Data Science: Data analysis
Cruyff, M. (Organiser) & Haqiqatkhah, M. M. (Organiser)
18 Jul 2022 → 22 Jul 2022Activity: Participating in or organising an event › Workshop, seminar, course › Academic