Research output per year
Research output per year
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 10 Reduced Inequalities
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Dive into the research topics where Jellie Sierksma is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Publication network from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Does teacher praise make children feel less smart? Two preregistered virtual reality experiments
Schenker, L.-E., Sierksma, J., Nikolic, M. & Brummelman, E., 7 Jun 2026, PsyArXiv, 73 p.Research output: Working paper › Preprint › Academic
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The impact of grouping by ability on children’s thinking about academic performance
Sierksma, J., Poorthuis, A. M. G. & Schleihauf, H., 31 May 2026, PsyArXiv, 45 p.Research output: Working paper › Preprint › Academic
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‘It’s OK—not everyone has to be an Einstein’: how unequal treatment in the classroom gets into children’s heads
Brummelman, E., Aerts, N., Alders, L. N., Armstrong, H. K., Blokland, E. M., Đurić, M., Nelemans, S. A., Schenker, L.-E., Sierksma, J. & Vullings, N., 10 Aug 2026, (E-pub ahead of print) In: European Journal of Developmental Psychology.Research output: Contribution to journal › Article › Academic › peer-review
Open Access -
“If you’re one star, you’ve missed the bar” How ability grouping can perpetuate achievement inequality
Sierksma, J. & Brummelman, E., 17 Apr 2026, PsyArXiv.Research output: Working paper › Preprint › Academic
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“It’s Ok—Not Everyone Has to Be an Einstein”: How Unequal Treatment in the Classroom Gets into Children’s Heads
Brummelman, E., Aerts, N., Alders, L. N., Armstrong, H., Blokland, E., Đurić, M., Nelemans, S., Schenker, L.-E., Sierksma, J. & Vullings, N., 18 May 2026, PsyArXiv.Research output: Working paper › Preprint › Academic
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How receiving help affects children’s competence beliefs and task motivation
Sierksma, J. (Speaker) & Shutts, K. (Speaker)
24 May 2022 → 25 May 2022Activity: Talk or presentation › Poster/paper presentation › Academic
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When helping hurts: Children think groups that receive help are less smart
Sierksma, J. (Invited speaker)
2 May 2022 → 4 May 2022Activity: Talk or presentation › Poster/paper presentation › Academic
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Not all help is equal: Do children help competent and incompetent children differently?
Sierksma, J. (Speaker)
2 May 2022 → 4 May 2022Activity: Talk or presentation › Poster/paper presentation › Academic
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npj Science of Learning (Journal)
Sierksma, J. (Guest editor)
2022 → …Activity: Publication peer-review and editorial work › Editorial activity › Academic
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Not all help is equal: Do children help competent and incompetent children differently?
Sierksma, J. (Presenter)
2 May 2022Activity: Talk or presentation › Poster/paper presentation › Academic