Projects per year
Personal profile
SUMMARY of research interests (100 words)
I study the psychological processes involved in moral judgment, prosocial behaviour, and ethical decision making, particularly ethical decision making as it relates to animals. See my personal webpage for full list of publications by topic, research tools, and other professional materials.
Research Interests (Key words)
- Moral consideration of animals
- Ethical decision-making and moral judgment
- Food and morality
- Moral emotions
- Moral character
- Psychology of religion
- Prosocial behaviour and behavioural change
Keywords
- Social psychology
- Moral Psychology
- Emotion
- Religion
- Prosocial Behavior
- Evolutionary Psychology
- Moral Judgment
- Decision Making
Collaborations and top research areas from the last five years
Projects
- 5 Finished
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NWSSDTP: The pursuit and maintenance of sustainable diets (Dr Rebecca Gregson)
Piazza, J. (Principal Investigator)
1/10/24 → 30/09/25
Project: Research
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Children as agents of environmental change: Reducing barriers to sustainable and healthy diet choices. (Victoria Simpson)
Piazza, J. (Principal Investigator)
1/05/23 → 31/12/23
Project: Research
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CASE: Rebecca Gregson: Using smartphone-based experience sampling to assess interventions for dietary change
Piazza, J. (Principal Investigator)
1/10/19 → 30/09/22
Project: Research
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Pledging a Meat-free Month: An Experience Sampling Study with Smartphones
Piazza, J. (Principal Investigator)
15/01/18 → 31/08/20
Project: Research
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Climate futures: Scientists' discourses on collapse versus transformation
Finnerty, S., Piazza, J. & Levine, M., 31/01/2025, In: British Journal of Social Psychology. 64, 1, e12840.Research output: Contribution to Journal/Magazine › Journal article › peer-review
Open Access -
Navigating family dynamics in the transition to a plant-forward diet: the role of social support
Gregson, R. & Piazza, J., 31/10/2025, In: Journal of Social Psychology. 165, 5, p. 731-751 21 p.Research output: Contribution to Journal/Magazine › Journal article › peer-review
Open Access -
Science on tap across Lancaster and Morecambe with Pint of Science
Morrison, N. (Curator), Greyling, E., Hardy, J. (Speaker), Rennie, A. (Speaker), Lambert, C. (Speaker), Abram, T. (Speaker), Jay, J. (Speaker), Moss, H. (Speaker), Muñiz-Diez, C. (Speaker), Piazza, J. (Speaker), Karkarey, R. (Speaker) & Appleby, J. (Speaker), 27/05/2025Research output: Exhibits, objects and web-based outputs › Blog
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Why we keep eating animals: perspectives from social psychology
Piazza, J. & Gregson, R., 9/06/2025, Handbook of Ethics and Social Psychology. Cheltenham: Edward Elgar Publishing, p. 439-459 21 p.Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter (peer-reviewed) › peer-review
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Between Two Worlds: The Scientist’s Dilemma in Climate Activism
Finnerty, S., Piazza, J. & Levine, M., 17/06/2024.Research output: Working paper › Preprint
Activities
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Does better understanding animals change our moral concern for them?
Piazza, J. (Speaker)
21/05/2025Activity: Talk or presentation types › Public Lecture/ Debate/Seminar
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The Psychology of Plant-based Eating: Who is doing it, why, and how?
Piazza, J. (Speaker)
18/01/2024Activity: Talk or presentation types › Public Lecture/ Debate/Seminar
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Light-touch Animal Messages and Microbe-brewed Eggs
Piazza, J. (Consultant)
1/08/2023 → 31/12/2024Activity: Expert Knowledge and Consultancy types › Non-governmental organization
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Frontiers in nutrition (Journal)
Piazza, J. (Guest editor), Hopwood, C. (Guest editor) & Bryant, C. (Guest editor)
1/08/2022 → 28/08/2023Activity: Publication peer-review and editorial work types › Editorial activity
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Psychology of Human-Animal Intergroup Relations (Journal)
Piazza, J. (Associate Editor)
1/01/2022 → …Activity: Publication peer-review and editorial work types › Editorial activity
Press/Media
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Science on tap across Lancaster and Morecambe with Pint of Science
Haywood, K., Morrison, N., Lambert, C., Moss, H., Fretwell, D., Hardy, J., Muniz-Diez, C., Piazza, J., Karkarey, R., Abram, T., Rennie, A. & Jay, J.
27/05/25
1 Media contribution
Press/Media: Newspaper Article
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Inside the Psychology of Animal Advocacy with PHAIR Society's Kristof Dhont and Jared Piazza
Piazza, J. & Dhont, K.
21/03/25
1 Media contribution
Press/Media: TV Interview/Appearance
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The ‘nature’ of the scientist identity: a shift towards activism in our climate crisis?
Greyling, E., Morrison, N., Levine, M., Piazza, J. & Finnerty, S.
20/06/24
1 item of Media coverage
Press/Media: Newspaper Article
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