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Personal profile

Personal information

I am an Assistant Professor in the Department of Experimental and Applied Psychology (Organizational Psychology section).

I studied at the University of Cologne (B.Sc. Social Sciences) and the University of St Andrews (MRes Psychology) before completing my PhD at Tilburg University in 2020. My dissertation focused on the consequences of first impressions and was awarded cum laude. You can find my complete CV and a list of publications on my personal website.

My research focuses on three topics.


First impressions

Despite the old maxim to not “judge a book by its cover”, people are very quick in judging others based on their looks. My research explores the antecedents and consequences of first impressions. How do we form impressions of others? Which facial features make a person look trustworthy or competent? How accurate are our first impressions? How do first impressions influence our decisions? Why is the influence of first impressions so persistent and difficult to suppress? How can we reduce the influence of first impressions?

To answer these questions, I analyze data from the lab and the field, using a variety of methods such as face morphing, face classification algorithms, machine learning, and economic games (you can watch a 10-minute video on this topic here).


The psychology of effective altruism

Individuals, companies, governments, and intergovernmental organizations spend vast amounts of money to improve social welfare. But how should this money be spent? Effective altruism takes a rational and data-driven perspective to figure how we can do the most good with limited resources. For example, charities differ substantially in their effectiveness (e.g., the number of lives saved or illnesses cured per dollar donated). Donating to the most effective causes can dramatically influence how much others’ welfare is improved.

I study why people often donate to ineffective charities and how effective giving can be promoted. In general, my goal is to understand how we can reduce suffering in the world - no matter where it occurs, when it occurs, or who experiences it. For example, a tremendous amount of suffering is experienced by non-human animals. I investigate how people reason about the moral standing of animals and how we can reduce meat consumption. You can listen to an introduction to effective altruism, featuring some of my research, here.


Meta-science and research methods

The social and behavioral sciences are undergoing a fundamental change at the moment. Many published research findings fail to replicate, questioning established theories and their practical usefulness. A critical examination of how we do science shows that questionable research practices (e.g., p-hacking) are common and serious methodological shortcomings (e.g., small sample sizes) are widespread. My goal is to understand and improve the way we do science. I contribute to projects that aim to promote collaboration, test the (cross-cultural) replicability of important theories, or understand how the outcomes of studies are shaped by differences in study design and differences in analytic approaches.



Personal website

Google scholar



Research Gate

Ancillary activities

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Ancillary activities are updated daily

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):

  • SDG 1 - No Poverty
  • SDG 3 - Good Health and Well-being
  • SDG 13 - Climate Action


Dive into the research topics where Bastian Jaeger is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years

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  • Which facial features are central in impression formation?

    Jaeger, B. & Jones, A. L., 17 Aug 2021, In: Social Psychological and Personality Science. 13, 2, p. 553-561 9 p.

    Research output: Contribution to JournalArticleAcademicpeer-review

    Open Access
  • Psychological barriers to effective altruism: An evolutionary perspective

    Jaeger, B. & van Vugt, M., Apr 2022, In: Current Opinion in Psychology. 44, p. 130-134 5 p.

    Research output: Contribution to JournalReview articleAcademicpeer-review

    Open Access
  • To which world regions does the valence-dominance model of social perception apply?

    Jones, B., DeBruine, L. M., Flake, J. K., Liuzza, M. T., Antfolk, J., Arinze, N. C., Ndukaihe, I. L. G., Bloxsom, N., Lewis, S., Foroni, F., Willis, M., Cubillas, C., Vadillo, M., gilead, M., Simchon, A., Saribay, S. A., Owsley, N. C., Calvillo, D., Włodarczyk, A., Qi, Y., & 160 othersAriyabuddhiphongs, K., Jarukasemthawee, S., Manley, H., Suavansri, P., Taephant, N., Stolier, R. M., Evans, T. R., Bonick, J., Lindemans, J. W., Ashworth, L. F., Chevallier, C., Kapucu, A., Karaaslan, A., Leongómez, J. D., Sánchez, O., Escallón, E. V., Vásquez-Amézquita, M., Aczel, B., Hajdu, N., Szecsi, P., Andreychik, M., Musser, E., Batres, C., Hu, C-P., Liu, Q-L., Legate, N., Vaughn, L. A., Barzykowski, K., Golik, K., Schmid, I., Stieger, S., Artner, R., Mues, C. K. K., vanpaemel, W., Jiang, Z., Wu, Q., Marcu, G., Stephen, I., Lu, J., Philipp, M. C., Arnal, J. D., Hehman, E., Xie, S., Chopik, W., Seehuus, M., Azouaghe, S., Belhaj, A., Elouafa, J., Wilson, J. P., Kruse, E. T., Papadatou-Pastou, M., Barba-Sanchez, A., ANABEL, DE. LA. ROSA. GOMEZ., González-Santoyo, I., Hsu, T., Kung, C-C., Hsiao-Hsin, W., Freeman, J., Oh, D., Schei, V., Sverdrup, T., Levitan, C., Cook, C., Chandel, P., Kujur, P., Parganiha, A., Parveen, N., Pati, A. K., Pradhan, S., Singh, M. M., Pande, B., Bavolar, J., Kačmár, P., Zakharov, I., Solas, S. Á., Baskin, E., Thirkettle, M., Schmidt, K., Christopherson, C., Suchow, J., Olofsson, J., Lee, A-S., Beaudry, J., Gogan, T. D., Oldmeadow, J., Dixson, B., Stevens, L., Ribeiro, G., Brandt, M., Hoyer, K., Jaeger, B., Ren, D., Sleegers, W., Wissink, J., Kaminski, G., Floerke, V., Urry, H., Chen, S-C., Pfuhl, G., Vally, Z., Basnight-Brown, D., IJzerman, H., Sarda, E., Badidi, T., Linden, N. V. D., Tan, C., Kovic, V., Colloff, M. F., Flowe, H., Burin, DI., Gardiner, G., Protzko, J., Schild, C., Scigala, K., Zettler, I., Kunz, E. M. OM., Storage, D., Wagemans, F. M. A., Saunders, B., Sirota, M., Sloane, G., Lima, T. J. S., Uittenhove, K., Vergauwe, E., Jaworska, K., Carvalho, L., Ask, K., Zyl, C. V., Körner, A., Weissgerber, S. C., Boudesseul, J., Ruiz-Dodobara, F., Ritchie, K., Michalak, N. M., Blake, K., White, D., Gordon-Finlayson, A., Anne, M., Janssen, S., Lee, K. M., Nielsen, T. K., Tamnes, C., Zickfeld, J., Rosa, A. D., Kocsor, F., Kozma, L., Putz, A., Tressoldi, P., Vianello, M., Irrazabal, N., Chatard, A., Lins, S., Pinto, I., Lutz, J., Adamkovic, M., Babinčák, P., Baník, G., Ropovik, I., Coetzee, V. & Peters, K. O., Jan 2021, In: Nature Human Behaviour. 5, p. 159–169 13 p.

    Research output: Contribution to JournalArticleAcademicpeer-review

    Open Access
    8 Downloads (Pure)
  • The effects of facial attractiveness and trustworthiness in online peer-to-peer markets

    Jaeger, B., Sleegers, W., Evans, A., Stel, M. & Beest, I. V., 2019, In: Journal of Economic Psychology. 75, 102125.

    Research output: Contribution to JournalArticleAcademicpeer-review

    Open Access
  • The Psychological Science Accelerator: Advancing psychology through a distributed collaborative network

    Moshontz, H., Campbell, L., Ebersole, C. R., Ijzerman, H., Urry, H. L., Forscher, P. S., Grahe, J. E., Mccarthy, R. J., Musser, E. D., Antfolk, J., Castille, C. M., Evans, T. R., Fiedler, S., Flake, J. K., Forero, D. A., Janssen, S. M. J., Keene, J. R., Protzko, J., Aczel, B., Solas, S. Á., & 77 othersAnsari, D., Awlia, D., Baskin, E., Batres, C., Borras-guevara, M. L., Brick, C., Chandel, P., Chatard, A., Chopik, W. J., Clarance, D., Coles, N. A., Corker, K. S., Dixson, B. J. W., Dranseika, V., Dunham, Y., Fox, N. W., Gardiner, G., Garrison, S. M., Gill, T., Hahn, A. C., Jaeger, B., Kačmár, P., Kaminski, G., Kanske, P., Kekecs, Z., Kline, M., Koehn, M. A., Kujur, P., Levitan, C. A., Miller, J. K., Okan, C., Olsen, J., Oviedo-trespalacios, O., Özdoğru, A. A., Pande, B., Parganiha, A., Parveen, N., Pfuhl, G., Pradhan, S., Ropovik, I., Rule, N. O., Saunders, B., Schei, V., Schmidt, K., Singh, M. M., Sirota, M., Steltenpohl, C. N., Stieger, S., Storage, D., Sullivan, G. B., Szabelska, A., Tamnes, C. K., Vadillo, M. A., Valentova, J. V., Vanpaemel, W., Varella, M. A. C., Vergauwe, E., Verschoor, M., Vianello, M., Voracek, M., Williams, G. P., Wilson, J. P., Zickfeld, J. H., Arnal, J. D., Aydin, B., Chen, S., Debruine, L. M., Fernandez, A. M., Horstmann, K. T., Isager, P. M., Jones, B., Kapucu, A., Lin, H., Mensink, M. C., Navarrete, G., Silan, M. A. & Chartier, C. R., 2018, In: Advances in Methods and Practices in Psychological Science. 1, 4, p. 501-515

    Research output: Contribution to JournalArticleAcademicpeer-review

    Open Access