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Dr Z. (Zak) Witkower

Assistant Professor
Faculty of Social and Behavioural Sciences
Programme group Social Psychology

Visiting address
  • Nieuwe Achtergracht 129
  • Room number: 2.33
Postal address
  • Postbus 15900
    1001 NK Amsterdam
  • Personal Website

    For the most recent information about my research activities and publications, see my personal website (

  • Publications


    • Witkower, Z., Hill, A. K., Pun, A., Baron, A. S., Koster, J., & Tracy, J. L. (2024). Nonverbal displays of dominance and prestige: Evidence for cross-cultural and early-emerging recognition. Journal of Experimental Psychology: General, 153(2), 282–292.


    • Mercadante, E. J., Witkower, Z., Hohm, I., & Tracy, J. L. (2023). Beyond the fearful ape hypothesis: Humans are also supplicating and appeasing apes. Behavioral and Brain Sciences, 46, Article e72.
    • Miller, E. J., Steward, B. A., Witkower, Z., Sutherland, C. A. M., Krumhuber, E. G., & Dawel, A. (2023). AI Hyperrealism: Why AI Faces Are Perceived as More Real Than Human Ones. Psychological Science, 34(12), 1390-1403.
    • Witkower, Z., Rule, N. O., & Tracy, J. L. (2023). Emotions Do Reliably Co-Occur With Predicted Facial Signals: Comment on Durán and Fernández-Dols (2021). Emotion, 23(3), 903-907.


    • Schmid, I., Witkower, Z., Götz, F. M., & Stieger, S. (2022). Registered report: Social face evaluation: ethnicity-specific differences in the judgement of trustworthiness of faces and facial parts. Scientific Reports, 12(1), Article 18311.
    • Witkower, Z., & Tracy, J. L. (2022). How and Why Head Position Changes the Perception of Facial Expressions of Emotion. Emotion, 22(5), 931-944.
    • Witkower, Z., Hill, A. K., Koster, J., & Tracy, J. L. (2022). Is a downwards head tilt a cross-cultural signal of dominance? Evidence for a universal visual illusion. Scientific Reports, 12, Article 365.
    • Witkower, Z., Mercadante, E., & Tracy, J. L. (2022). The Chicken and Egg of Pride and Social Rank. Social Psychological and Personality Science, 13(2), 382-389.


    • Martin, J. D., Wood, A., Cox, W. T. L., Sievert, S., Nowak, R., Gilboa-Schechtman, E., Zhao, F., Witkower, Z., Langbehn, A. T., & Niedenthal, P. M. (2021). Evidence for Distinct Facial Signals of Reward, Affiliation, and Dominance from Both Perception and Production Tasks. Affective Science, 2(1), 14-30.
    • Mercadante, E., Witkower, Z., & Tracy, J. L. (2021). The psychological structure, social consequences, function, and expression of pride experiences. Current Opinion in Behavioral Sciences, 39, 130-135.
    • Witkower, Z., Hill, A. K., Koster, J., & Tracy, J. L. (2021). Beyond Face Value: Evidence for the Universality of Bodily Expressions of Emotion. Affective Science, 2(3), 221-229.
    • Witkower, Z., Tracy, J. L., Pun, A., & Baron, A. S. (2021). Can Children Recognize Bodily Expressions of Emotion? Journal of Nonverbal Behavior, 45(4), 505-518.


    • Tracy, J. L., Mercadante, E., Witkower, Z., & Cheng, J. T. (2020). The evolution of pride and social hierarchy. In Advances in Experimental Social Psychology (pp. 51-114). (Advances in Experimental Social Psychology; Vol. 62). Universal Academic Press, Inc..
    • Witkower, Z., Mercadante, E. J., & Tracy, J. L. (2020). How affect shapes status: distinct emotional experiences and expressions facilitate social hierarchy navigation. Current Opinion in Psychology, 33, 18-22.
    • Witkower, Z., Tracy, J. L., Cheng, J. T., & Henrich, J. (2020). Two signals of social rank: Prestige and dominance are associated with distinct nonverbal displays. Journal of Personality and Social Psychology, 118(1), 89-120.


    • Witkower, Z., & Tracy, J. L. (2019). A Facial-Action Imposter: How Head Tilt Influences Perceptions of Dominance From a Neutral Face. Psychological Science, 30(6), 893-906.
    • Witkower, Z., & Tracy, J. L. (2019). Bodily Communication of Emotion: Evidence for Extrafacial Behavioral Expressions and Available Coding Systems. Emotion Review, 11(2), 184-193.


    • Barlett, C., Chamberlin, K., & Witkower, Z. (2017). Predicting cyberbullying perpetration in emerging adults: A theoretical test of the Barlett Gentile Cyberbullying Model. Aggressive Behavior, 43(2), 147-154.


    • Barlett, C., Witkower, Z., Mancini, C., & Saleem, M. (2016). Breaking the link between provocation and aggression: The role of mitigating information. Aggressive Behavior, 42(6), 555-562.


    Prize / grant

    • Witkower, Z. (2023). CAGS/ProQuest Dissertation Award; Best PhD Dissertation in Canada across the Social Sciences, Arts, and Humanities,.
    This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list.
  • Ancillary activities
    No ancillary activities