Benjamin Buttlar

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Curriculum Vitae

In 2014, I spent three months in Canada as a research associate, working with Regan Mandryk at the Human Computer Interaction Laboratory at the University of Saskatchewan. This experience sparked my passion for scientific research and motivated me to pursue a career in academia. In 2015, I joined the Social Psychology Department at the University of Trier as a Ph.D. student under the supervision of Eva Walther. Since 2019, I have continued my academic journey as a postdoctoral researcher at Trier University, where I have developed an independent research profile and built an international network of collaborators. I have also become an associate editor for Collabra: Psychology and a consulting editor for the Psychology of Human-Animal Integroup relations (PHAIR). Scroll down to learn more about my career.


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Date Awarded
Third-Party Funding
01/2021EASP Seedcorn Grant 2978€
“The functionality of doing nothing: Decision-Delay as a Strategy to Resolve Ambivalence in Food Waste”.
European Association of Social Psychology.
05/2014Travel Grant  1300€
Awarded by the German Academic Exchange Service (DAAD)
Internal Funding
10/2022Project start-up grant 4752,78€
„Safe and Sorry? How people can overcome accuracy bias in decision-making”.
Research Fund, University of Trier, Germany.
06/2022Project start-up grant 4996,79€
Ambivalence and dietary behavior in everyday life.
Research Fund, University of Trier, Germany.
06/2021Project start-up grant 4895,25€
„Foodpic Database”.
Research Fund, University of Trier, Germany.
12/2020Project start-up grant 4840€
“Decision Delay a functional strategy to resolve ambivalence”.
Research Fund, University of Trier, Germany.
09/2019Project start-up grant 4700€
“Disgust or Anger: The Influence of Moral Emotions on Attitudes”
Research Fund, University of Trier, Germany.
02/2018Project start-up grant 3630€
“Ambivalence: a central predictor of health-relevant behavior”
Research Fund, University of Trier, Germany.
05/2017Travel Grant  500€
Awarded by the Research Fund, University of Trier, Germany
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Date Awarded
09/2019Award for Outstanding Dissertations. Awarded by the Freundeskreis of the University of Trier, Germany.
06/2019Publication award of the University of Trier (second place; shared-first authorship with P. Zimmer)
09/2018 Finalist ESCON Best Paper Award (Top 4)

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Date of the Talk
04/2025The Role of Cognitive Conflict in Behavioral Transitions. The Case of Meat Consumption.
Prof. Dr. Marielle Stel, Prof. Dr. Peter de Vries, University of Twente.
12/2024The Role of Cognitive Conflict in Behavioral Transitions. The Case of Meat Consumption.
Prof. Dr. Roland Pfister, Trier University
10/2024The Model of Ambivalent Choice And Dissonant Commitment.
Dr. Matthew B. Ruby, Social and Cultural Psychology Research Seminar Series, LaTrobe University.
06/2023The Role of Cognitive Conflict in Behavioral Transitions. The Case of Meat Consumption.
Prof. Dr. Malte Friese, Saarland University.
03/2022Two Sides of the Same Fence: A Model of the Origins and Consequences of Meat-Related Conflict in Omnivores and Veg*ans.
Prof. Dr. Cameron Brick, University of Amsterdam.
03/2021 The Functionality of Doing Nothing.
Prof. Dr. Iris Schneider, University of Cologne.
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Date of the Talk
Organized Symposia
09/2022A Feasible Pathway to Sustainable Eating? Illuminating Barriers and Opportunities for the Adoption and Maintenance of Meat-Free Diets. DGPS Congress, Hildesheim.
Personal Contributions
09/2025Cognitive Conflict and Behavior Change: Insights from the Model of Ambivalent Choice and Dissonant Commitment
20. Tagung der Fachgruppe Sozialpsychologie, Bochum.
10/2024Attitude-Based Self-Regulation: An Experience Sampling Study on the Role of Attitudes in the Experience and Resolution of Self-Control Conflicts.
Symposium: Integrative Perspectives on Conflict and Control, Tübingen.
07/2023Two Sides of the Same Fence: Why ambivalence accompanies behavior change in an inverted u-shaped function.
19th General Meeting of the European Association of Social Psychology, Krakow.
09/2022Two sides of the same fence: A Model of the Origins and Consequences of Meat-Related Conflict in Omnivores and Veg*ans.
DGPS Congress, Hildesheim.
07/2021Food for Thought: Investigating Communication Strategies to Counteract Moral Disengagement in Animal Advocacy.
Animal Advocacy Conference, Online.
09/2019Dealing with the meat paradox: Threat leads to moral disengagement from meat consumption
17. Tagung der Fachgruppe Sozialpsychologie, Cologne.
09/2018Measuring the Meat Paradox: How Ambivalence Towards Meat Influences Moral Disengagement.
ESCON 2018, Cologne.
07/2017Stressing the Difference: The Differential Impact of Stress and Mortality Salience on the Endocrine System.
18th General Meeting of the European Association of Social Psychology, Granada.

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Date of Activity
Since 05/2025Member of the Science Communication in Psychology interest group (PsyComm), German Psychological Society (DGPs).

Main responsibility: Designing and organizing a practice-oriented lecture series on science communication formats, using applied examples from psychology
Since 02/2022 Member of the „Open Science“ Commision of the non-professorial academic staff of the Trier University (Currently on Hold)

Incl. the organisation of preregistration workshops (e.g., Fachgruppe Sozialpsychologie; 10/2022) 
11/2020 – 02/2023Staff representative for the Psychology Department of the Trier University
05/2017 – 05/2020Member of the ethics committee of the Trier University
11/2016 – 10/2017Member of the sub-commission of the Department of Psychology “electronic allocation of course credits for study participation”
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Date of Activity
Since 09/2024Associate Editor at Collabra: Psychology
Since 03/2022Consulting Editor at PHAIR (Psychology of Human-Animal Intergroup Relations)
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  • Appetite
  • Basic and Applied Social Psychology
  • Environmental Communication
  • Food Quality and Preference
  • Journal of Environmental Psychology
  • Journal of Experimental Social Psychology
  • Journal of Personality and Social Psychology
  • Journal of Social Psychology
  • Personality and Social Psychology Bulletin
  • Social Psychological and Personality Science
  • Social Psychology
  • The Inquisitive Mind