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• Sierksma, J., Brey, E., & Shutts, K. (2022). Racial stereotype application in 4- to 8-year-old White American children: Emergence and specificity. Journal of Cognition and Development.  https://psyarxiv.com/3vk6b/

• Sierksma, J., Klootwijk, C. L. T., & Lee, N. (2022). Prosocial choices: How do young children evaluate considerate and inconsiderate behavior? Developmental Psychology. https://psyarxiv.com/rxtcm/

• Sierksma, J., & Shutts, K. (2021). Competence-based helping: Children’s consideration of need when providing others with help. Journal of Experimental Child Psychology, 201
  
  
• J Sierksma & K Shutts (2019) When helping hurts: Children think groups that receive help are less smart. Child Development [pdf]

• Sierksma, J., Spaltman, M., & Lansu, T. (2019). Children tell more prosocial lies in favor of in-group than out-group peers. Developmental Psychology, 55, 1428-1439. Doi:10.1037/dev0000721 (*denotes equal contribution, M. Spaltman was a student I supervised) [pdf]

• Sierksma, J. & Bijlstra, G. (2019). Majority group children expect that ethnic out-group peers feel fewer positive but more negative emotions than in-group peers. Cognition and Emotion, 33, 1210-1223. Doi: 10.1080/02699931.2018.1546167 [pdf]

• Sierksma, J. (2018). Costs of helping only influence children’s intention to help ethnic out-group peers. Journal of Experimental Child Psychology, 173, 85-99. Doi: 10.1016/j.jecp.2018.03.016 [pdf]

• Sierksma, J., Lansu, T. A. M., Karremans, J. C. ,& Bijlstra, G. (2018). Children’s helping behavior in an ethnic intergroup context: Evidence for outgroup helping. Developmental Psychology, 54, 916-928. Doi: 10.1037/dev0000478 [pdf]

• Sierksma, J. & Thijs, J. (2017). Intergroup helping: How do children see it? In E. van Leeuwen & H. Zagefka (Eds.), Intergroup helping (pp. 65-85). Cham, Switzerland: Springer International Publishing. Doi: 10.1007/978-3-319-53026-0_4 [pdf]

• Verkuyten, M., Sierksma, J., & Martinovic, B. (2015). First arrival and collective land ownership: How children reason about who owns the land. Social Development, 24, 868–882. Doi: 10.1111/sode.12128

• Verkuyten, M., Sierksma, J., & Thijs, J. (2015). First arrival and owning the land: How children reason about ownership of territory. Journal of Environmental Psychology, 41, 58–64. Doi: 10.1016/j.jenvp.2014.11.007 [pdf]

• Sierksma, J., Thijs, J. & Verkuyten, M. (2015). In-group bias in children’s intention to help can be overpowered by inducing empathy. British Journal of Developmental Psychology, 33, 45–56. Doi: 10.1111/bjdp.12065 [pdf]

• Sierksma, J., Thijs, J., & Verkuyten, M. (2014). Children’s intergroup helping: The role of empathy and peer group norms. Journal of Experimental Child Psychology, 126, 369-383. Doi: 10.1016/j.jecp.2014.06.002 [pdf]

• Sierksma, J., Thijs, J., & Verkuyten (2014). Ethnic helping and group identity: A study among majority group children. Social Development, 23, 803-819. Doi: 10.1111/sode.12077 [pdf]

• Sierksma, J., Thijs, J., & Verkuyten, M. (2014). With a little help from my friends: Bystander context and children’s attitude toward peer helping. The Journal of Social Psychology, 142-154. Doi: 10.1080/00224545.2013.872595 [pdf]

• Sierksma, J., Thijs, J., Verkuyten, M., & Komter, A. (2014). Children’s reasoning about the refusal to help: The role of need, costs and perspective taking. Child Development, 85, 1134-1149. Doi: 10.1111/cdev.12195 [pdf]

• Verkuyten, M., Thijs. J, & Sierksma, J. (2013). Majority children’s evaluation of acculturation preferences of immigrant and emigrant peers. Child Development, 85, 176-191. Doi: 10.1111/cdev.12111. [pdf]