Josephine Tröger


Josephine Tröger studied psychology (graduate degree) with a minor in Literature, Arts and Media at the Universities of Konstanz, Monterrey (Mexico) and Catania (Italy). From 2012 to 2016, she worked as a research assistant in the Interdisciplinary Research Group on Environmental Issues at the University of Koblenz-Landau. From 2018 to 2021, she was a research assistant and lecturer in the Environmental Psychology Research Group at the University of Koblenz-Landau. There, she completed her PhD on sufficiency orientation as a key to socio-ecological transformation and worked on several other research projects. In addition to expertise in Environmental Psychology, she gained professional experience in the fields of science communication and event management. Since April 2021, she has been working in the business unit »Actors and Acceptance in the Transformation of the Energy System« in the Competence Center »Energy Technology and Energy Systems« at the Fraunhofer Institute for Systems and Innovation Research ISI.

    • Environmental attitudes, esp. sufficiency orientation in consumer behavior
    • Attitude changes and interventions for sufficiency-oriented behavior
    • Quantitative and experimental methods of empirical social research
  • Lecturer for Environmental Psychology and project-oriented seminars in the interdisciplinary degree program “People and the Environment” (B.A.) as well as in the psychology degree program (M.A.) at the University Koblenz-Landau

  • Heidbreder, L. M.; Tröger, J.; Schmitt, M. (2022): Exploring the psychological antecedents of private and public sphere behaviours to reduce household plastic consumption. In: Environment, Development and Sustainability. Advance online publication.

    Tröger, J.; Menzel, C. (2021): Widerstandsfähig in einem sich wandelnden Klima? Evangel Magazin für missionarisches Pastoral, 1.

    Tröger, J.; Wullenkord, M. C.; Barthels, C.; Steller, R. (2021): Can Reflective Diary-Writing Increase Sufficiency-Oriented Consumption? A Longitudinal Intervention Addressing the Role of Basic Psychological Needs, Subjective Well-Being, and Time Affluence. Sustainability, 13(9), 4885,

    Wullenkord, M.; Tröger, J.; Hamann, K. R.; Loy, L.; Reese, G. (2021): Anxiety and Climate Change: A Validation of the Climate Anxiety Scale in a German-Speaking Quota Sample and an Investigation of Psychological Correlates. Climatic Change 168, Article number 20 (2021),

    Loy, L. S.; Tröger, J.; Prior, P.; Reese, G. (2021): Global Citizens – Global Jet Setters? The Relation Between Global Identity, Sufficiency Orientation, Travelling, and a Socio-Ecological Transformation of the Mobility System. Frontiers in psychology, 12,

    Tröger, J.; Reese, G. (2021): Talkin’ bout a revolution: an expert interview study exploring barriers and keys to engender change towards societal sufficiency orientation. Sustainability Science, 1-14,

    Tröger, J.; Wullenkord, M. (2020): Bedingungsloses Grundeinkommen – ein Schlüssel zur Suffizienz?. Ökologisches Wirtschaften 33(4), 20-21,

    Reese, G.; Hamann, K. R.; Heidbreder, L. M.; Loy, L. S.; 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,

    Reese, G.; Drews, S.; Tröger, J. (2019): Warum haben wir Angst vor dem Weniger? Umweltpsychologie und Suffizienz im Fokus. In: Voget-Kleschin, L.; Bossert, L.; Meisch, S. (eds.): Damit gutes Leben mit der Natur einfacher wird. Suffizienzpolitik für Naturbewahrung (pp. 135–149). Metropolis-Verlag GmbH.

    Steinmetz, Z.; Wollmann, C.; Schaefer, M.; Buchmann, C.; David, J.; Tröger, J.; Munoz, K.; Frör, O.; Schaumann, G. E. (2016): Plastic mulching in agriculture. Trading short-term agronomic benefits for long-term soil degradation? Science of the total environment, 550, 690-705,

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