Dr. Tina Joanes
Research assistant
 |
|
Tina Joanes has been a research associate at the Chair of Consumer Research at Justus Liebig University Giessen since 2019. Her work focuses on understanding the factors that influence individual sustainability and health behavior, as well as on strategies for behavioral change. She conducts research on the design of interventions and the practical application of scientific findings. Currently, she is involved in the EU project "Plan’Eat," where she investigates the determinants of healthy and sustainable eating habits for various European target groups and explores potential strategies for promoting behavioral change.
Research priorities
- Consumer behavior
- Behavior change
- Sustainable consumption (especially sufficiency)
Projects
- Plan’Eat (EU research project for a healthier and more sustainable diet)
- DARWIN (Innovative EU research project for transparent NGT foods)
Completed projects
- Trash2Cash project (consumption of textiles made of regenerated fibres)
- MISTRA Future Fashion (sustainable clothing consumption)
Dissertation topic
Sufficency for sustainability: Determinants and strategies for reduced clothing consumption
Courses
Bachelor:
BP 136 Consumer Behavior
BP 137 People-Planet Interactions
Master:
MK 105 Theories of Consumer Behavior
MP 172 Nutrition and Health Behavior Change
MP 174 Healthy People - Healthy Planet
Vita data
| 2019 – today | Postdoc at the Department of Consumer Research, Communication and Food Sociology |
| 2016 - 2019 | PhD Studies at Copenhagen Business School |
| 2010 – 2014 | Master degree in psychology at the Free University of Berlin Master of Science |
|
2007 – 2010 |
Bachelor's degree in psychology at the Free University of Berlin |
Selected publications
- Joanes, T., Geiger, S. M. & Gwozdz, W. (2025). Think twice - An intervention strategy to reduce personal clothing consumption. Environment and Behavior, 00(0). https://doi.org/10.1177/00139165251315563
- Joanes, T., & Gwozdz, W. (2024). Verhaltensinterventionen im Wandel: Status Quo und zukünftige Möglichkeiten. ErnährungsUmschau, 71(2): https://www.ernaehrungs-umschau.de/fileadmin/Ernaehrungs-Umschau/pdfs/pdf_2024/02_24/EU02_2024_M78_M89_CC_oA.pdf
- Wowra, P., Joanes, T., & Gwozdz, W. (2023). In Which Situations Do We Eat? A Diary Study on Eating Situations and Situational Stability. Nutrients, 15(18), Article 18. https://doi.org/10.3390/nu15183967
- Nielsen, K. S., Joanes, T., Webb, D., Gupta, S. & Gwozdz, W. (2023). Exploring the psychological characteristics of style and fashion clothing orientations. Journal of Consumer Marketing, (ahead of print) https://doi.org/10.1108/JCM-04-2022-5344
- Nielsen, K. S., Brick, C., Hofmann, W., Joanes, T., Lange, F. & Gwozdz, W. (2022). The motivation-impact gap in environmental clothing consumption. Nature Sustainability, 1-4. https://doi.org/10.1038/s41893-022-00888-7
- Joanes, T., Gwozdz, W., & Klöckner, C. A. (2020). Reducing personal clothing consumption: A cross-cultural validation of the comprehensive action determination model. Journal of Environmental Psychology, https://doi.org/10.1016/j.jenvp.2020.101396
- Joanes, T. (2019). Personal norms in a globalized world: Norm-activation processes and reduced clothing consumption. Journal of Cleaner Production, 212, 941-949.
- Gwozdz, W., Steensen Nielsen, K., & Müller, T. (2017). An environmental perspective on clothing consumption: consumer segments and their behavioral patterns. Sustainability, 9(5), 762.
- Farsang, A., Gwozdz, W., Müller, T., & Reisch, L. A. (2015). Young Consumers’ Engagement in Sustainable Fashion: An International Comparison of Consumer Attitudes and Behavior. The 23rd Nordic Academy of Management Conference.
- Müller, T., Gwozdz, W., & Reisch, L. A. (2015). Responsibility Attribution and Consumer Behaviour in the Light of the Bangladesh Factory Collapse. Journal of Macromarketing, 35(1), 144.