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Postdoctoral Researcher

Dr. Hans Alves

Phone +49-221-470-7110
AddressRichard-Strauss-Str. 2, 50931 Köln | Germany

Room 1.A17
Office hours by appointment

Research interests

Valence asymmetries • Information ecologies • Sampling approach • Recognition memory • Person perception • Construal level theory • Illusory correlations


  • Alves, H. Högden, F., Gast, A., Aust, F., & Unkelbach, C. (in press). Attitudes from mere co-occurrences are guided by differentiation. Journal of Personality and Social Psychology.

  • Unkelbach, C., Alves, H., & Koch, A. (in press). Negativity bias, positivity bias, and valence asymmetries: Explaining the differential processing of positive and negative information. In: B. Gawronski (Ed.), Advances in Experimental Social Psychology. Cambridge, MA: Academic Press.

  • Alves, H., Koch, A., & Unkelbach, C. (2019). The differential similarity of positive and negative information—An affect-induced processing outcome? Cognition and Emotion, 33, 1224-1238.
  • Unkelbach, C., Koch, A., & Alves, H. (2019). The evaluative information ecology: On the frequency and diversity of “good” and “bad”. European Review of Social Psychology30, 216-270.
  • Alves, H., & Mata, A. (2019). The redundancy in cumulative information and how it biases impressions. Journal of Personality and Social Psychology, 117, 1035-1060.
  • Alves, H., Koch, A., & Unkelbach, C. (2017). The "common good" phenomenon: Why similarities are positive and differences are negative. Journal of Experimental Psychology: General, 146, 512–528.
  • Alves*, H., Koch*, A. S., & Unkelbach, C. (2017). Why good is more alike than bad: Processing implications. Trends in Cognitive Sciences, 21, 72–82.  * shared first authorship
  • Alves, H., Koch, A., & Unkelbach, C. (2016). My friends are all alike — the relation between liking and perceived similarity in person perception. Journal of Experimental Social Psychology, 62, 103–117.
  • Hansen, J., Alves, H., & Trope, Y. (2016). Psychological distance reduces literal imitation: Evidence from an imitation-learning paradigm. Journal of Experimental Psychology: Human Perception and Performance, 42, 320–330.
  • Koch, A., Imhoff, R., Dotsch, R., Unkelbach, C., & Alves, H. (2016). The ABC of stereotypes about groups: Agency/socioeconomic success, conservative–progressive beliefs, and communion. Journal of Personality and Social Psychology, 110, 675–709.
  • Alves, H., Unkelbach, C., Burghardt, J., Koch, A. S., Krüger, T., & Becker, V. D. (2015). A density explanation of valence asymmetries in recognition memory. Memory & Cognition, 43, 896–909.
  • Krüger, T., Fiedler, K., Koch, A. S., & Alves, H. (2014). Response category width as a psychophysical manifestation of construal level and distance. Personality and Social Psychology Bulletin, 40, 501–512.
  • Unkelbach, C., Bayer, M., Alves, H., Koch, A., & Stahl, C. (2011). Fluency and positivity as possible causes of the truth effect. Consciousness And Cognition: An International Journal, 20, 594-602.

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Academic distinctions

  • Visitor Program for a Research stay at the University of Lisbon, Portugal, awarded by C-SEB, University of Cologne, 2017
  • Best Paper Award, ESCON, 2013
  • Scholarship as Visiting Researcher at New York University, German Academic Exchange Service (DAAD), 2010
  • Fulbright Scholarship as Student at Arizona State University, Fulbright Commission, 2009-2010

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