enlarge the image: Foto: Christian Hüller
Foto: Christian Hüller

Short Profile

Karen Hamann is a research associate at the Social Psychology Department of the University of Leipzig since May 2021. She works in the project "EC2 - Energy Citizenship and Energy Communities for a Clean-Energy Transition", and conducts research in the field of environmental psychology on individual and collective efficacy, spillover effects, environmental activism, positive affect, social norms, and visions of the future. With Wandelwerk e.V., she carries the gained knowledge into practice - with lectures, workshops, interviews, and through educational materials.

Professional Career

  • since 05/2021
    Scientific staff at the Department of Social Psychology of University Leipzig
  • 07/2020 - 12/2020
    Completion Scholarship at the University Koblenz-Landau
  • 01/2020 - 03/2020
    Research stay at the Department of Social Psychology at Rijksuniversiteit Groningen
  • since 02/2019
    Foundation and contribution in Wandelwerk e.V. (www.wandel-werk.org)
  • 07/2018 - 06/2020
    PhD scholarship of the German Federal Environmental Foundation (DBU)
  • 12/2016 - 06/2021
    Scientific staff at the Department of Environmental Psychology at University Koblenz-Landau
  • 06/2011 - 09/2016
    Research assistent at the Department of General Psychology II at the Friedrich-Schiller-University Jena


  • since 01/2017 - 01/2020
    PhD student at the Department of Environmental Psychology at University Koblenz-Landau
  • 11/2018 - 06/2021
    Training for systemic counselling at the Wieslocher Institute for Systemic Solutions (WISL)
  • 10/2014 - 11/2016
    M.Sc. Psychology “Clinical Psychology, Psychotherapy and Health“ at the Friedrich-Schiller-University Jena
  • 10/2010 - 09/2013
    B.Sc. Psychology at the Friedrich-Schiller-University Jena
  • Environmental psychology, particularly conservation psychology
  • Individual, collective, and participative efficacy
  • Spillover effekts
  • Positive emotions
  • Visions of the future
  • Social norms
  • Environmental activism
  • Energy citizenship


Publications (selection)

  • Hamann, K.R.S., Holz, J.R., & Reese, G. (2021). Coaching for a Sustainability Transition: Empowering Student-Led Sustainability Initiatives by Developing Skills, Group Identification, and Efficacy Beliefs. Frontiers in Psychology, 12, 623972. 10.3389/fpsyg.2021.623972
  • Wullenkord*, M.C., & Hamann*, K.R.S. (2021). We Need to Change: Integrating Psychological Perspectives Into the Multilevel Perspective on Socio-Ecological Transformations. Frontiers in Psychology, 12, 1266. doi.org/10.3389/fpsyg.2021.655352 *shared first authorship
  • Loy, L.S., Hamann, K.R.S., & Reese, G. (2020). Navigating through the jungle of information. Informational self-efficacy predicts climate change-related media exposure, knowledge, and behaviour. Climatic Change, 163, 2097–2116. doi.org/10.1007/s10584-020-02918-9
  • Reese, G., Hamann, K.R.S., Heidbreder, L.M., Menzel, C., Neubert, S., Tröger, J., & Wullenkord, M.C. (2020). SARS-Cov-2 and environmental protection: A collective psychology agenda for environmental psychology research. Journal of Environmental Psychology, 70, 101444. doi.org/10.1016/j.jenvp.2020.101444
  • Hamann, K.R.S., & Reese, G. (2020). My Influence on the World (of Others): Goal Efficacy Beliefs and Efficacy Affect Predict Private, Public, and Activist Pro-Environmental Behavior. Journal of Social Issues, 76, 35-53. doi.org/10.1111/josi.12369
  • Hamann, K., Baumann, A., & Löschinger, D. (2016). Psychologie im Umweltschutz – Handbuch zur Förderung nachhaltigen Handelns. München: oekom verlag. Free Download at www.wandel-werk.org/materialien  
  • Hamann, K.R.S., Reese, G., Seewald, D., & Loeschinger, D.C. (2015). Affixing the theory of normative conduct (to your mailbox) Injunctive and descriptive norms as predictors of anti-ads sticker use. Journal of Environmental Psychology, 44, 1-9. doi.org/10.1016/j.jenvp.2015.08.003


Complete List of Publications