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Assistant Professor

Dr. Ann-Christin Posten

Phone +49-221-470-4924
Fax +49-221-470-1216
AddressRichard-Strauss-Str. 2, 50931 Köln | Germany

Room 2.A04
Office hours By appointment

Research interests

Trust & distrust • Stereotyping & person judgment • Uncertainty reduction in judgment and decision-making • Information integration and memory processes • Social and non-social comparison processes • Behavioral economics


  • Posten, A.-C., & Gino, F. (in press). How trust and distrust shape perception and memory. Journal of Personality and Social Psychology.
  • Buckenmaier, J., Dimant, E., Posten, A.-C., & Schmidt, U. (in press). Efficient institutions and effective deterrence: On timing and uncertainty of formal sanctions. Journal of Risk and Uncertainty.
  • Steinmetz, J., & Posten, A.-C. (in press). Ja-Sage-Tendenz: Eine wenig beachtete Fehlerquelle in Umfragen [Yeah-saying-tendencies: A source of error little attended to in surveys]. Wirtschaftspsychologie aktuell.
  • Amit, E., Han, E. Posten, A.-C., & Sloman, S. (in press). How people judge institutional corruption. Connecticut Law Review.
  • Posten, A.-C., & Kitzig, C. (in press). Strategische Merkmalsnutzung zur Erkennung und Tarnung von Lügen aus der Perspektive von Laien [Strategic cue application to detect and disguise lies from lay people’s perspective]. Praxis der Rechtspsychologie.
  • Posten, A-.C., Bliesener, T., Dahle, K.-P., & Orth, C. (2019). Zur Expertise forensischer Sachverständiger - Ein Positionspapier [On the expertise of forensic expert witnesses - A position paper]. Psychologische Rundschau, 70, 259-260.
  • Kannegießer, A., Orth, C., Posten, A.-C., & Hoese, M. (2019). Neue Föderative Gutachtenstandards - Die Quadratur des Kreises? [New federal standards for expert witness reports - squaring the circle?] Praxis der Rechtspsychologie, 29, 147-151.
  • Posten, A.-C., & Mussweiler, T. (2019). How do you decide whether to trust a stranger? Character & Context. 
  • Posten, A.-C., & Steinmetz, J. (2018). Temperatur und Zustimmung - ein bisher unbekannter Zusammenhang. Einblicke für Praxis und Forschung. Praxis der Rechtspsychologie, 2, 137-152.
  • Steinmetz, J., & Posten, A.-C. (2018). White lies and black lies: What they have in common and how they differ. In-Mind Magazine.  [full text]
  • Amit, E., Koralnik, J., Posten, A.-C., Muethel, M., & Lessig, L. (2017). Institutional corruption revisited: Exploring open questions within the institutional corruption literature. Southern California Interdisciplinary Law Journal, 26, 447–595.
  • Steinmetz*, J., & Posten*, A.-C. (2017). Physical temperature affects response behavior. Journal of Experimental Social Psychology, 70, 294–300. * shared first authorship
  • Posten, A.-C., Ockenfels, A., & Mussweiler, T. (2014). How activating cognitive content shapes trust: A subliminal priming study. Journal of Economic Psychology, 41, 12–19.
  • Posten, A.-C., & Mussweiler, T. (2013). When distrust frees your mind: The stereotype-reducing effects of distrust. Journal of Personality and Social Psychology, 105, 567–584.

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Academic distinctions

  • DFG Research Grant PO 1850/3-1 How Much do You Trust Me? Determining Thresholds for Trust to Be Perceived as Such, 2019-2021
  • Junior Start-Up Grant High Trust and High Distrust: A Matter of Perspective Taking?, awarded by C-SEB, University of Cologne, 2018-2019
  • Junior Start-Up Grant Trust increases a general response bias (together with Janina Steinmetz, Utrecht University), awarded by C-SEB, University of Cologne, 2017-2018
  • Junior Start-Up Grant The role of social distance on trust and cooperation: Does self-other overlap hinder 'rational' decisions? (together with Pınar Uğurlar), awarded by C-SEB, University of Cologne, 2016
  • Best Paper Award for the paper entitled "When distrust frees your mind: Cognitive effects of trust and distrust on stereotyping" co-authored with Thomas Mussweiler, European Social Cognition Network (ESCON), 2011

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