Personal profile
Personal profile
Research
His academic interests lie in social and evolutionary psychology and he is interested in understanding the psychological and evolutionary underpinnings of cooperation, in particular, in intergroup contexts.
Cooperation and Intergroup Processes Lab (CIP Lab)
He is actively seeking undergraduate/postgraduate students to join his CIP lab. If you are a current undergraduate/MSc student at Royal Holloway and interested in doing research with him, please contact him. You can join him as a volunteer research assistant or apply to a research assistant bursary.
If you are interested in pursuing a PhD with him, please contact him via email to express your interest with your research idea and financial plans. Please visit this page to figure out available PhD funding opportunities. Usually, deadlines for PhD funding applications are around December-January and if you are interested, you’d like to contact him as soon as possible to discuss your project/grant acquisition.
Hiro is particularly motivated to supervise student-led PhD projects on the following topics: the psychological foundation of intergroup relations and intergroup/intergenerational cooperation (i.e., sustainable behaviour).
Education/Academic qualification
Psychology, PhD, University of Kent
External positions
Visiting Assitant Professor, Research Institute for Future Design at the Kochi University of Technology
1 Sept 2023 → …
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 10 Reduced Inequalities -
SDG 11 Sustainable Cities and Communities -
SDG 13 Climate Action -
SDG 16 Peace, Justice and Strong Institutions
Collaborations and top research areas from the last five years
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Dynamic indirect reciprocity: When is indirect reciprocity bounded by group membership?
Imada, H., Romano, A. & Mifune, N., Jul 2023, In: Evolution and Human Behavior. 44, 4, p. 373-383 11 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Psychological Mechanisms Underlying Ingroup Favouritism in Cooperation: Revisiting the Reputation Management and Expectation Hypotheses
Imada, H., Mifune, N. & Shimizu, H., 12 Apr 2024, (E-pub ahead of print) In: Group Processes and Intergroup Relations. 17 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile65 Downloads (Pure) -
Group-bounded indirect reciprocity and intergroup gossip
Imada, H., Mifune, N. & Zibell, H., Nov 2024, In: Journal of Experimental Social Psychology. 115, 12 p., 104657.Research output: Contribution to journal › Article › peer-review
Open AccessFile170 Downloads (Pure) -
Ingroup favoritism and outgroup derogation in intergenerational cooperation
Imada, H., Inoue, Y., Yamamoto-Wilson, A., Saijo, T. & Mifune, N., 6 Jun 2025, In: Communications Psychology. 3, 89.Research output: Contribution to journal › Article › peer-review
Open Access -
Audience costs in the eyes of an adversary
Takei, M., Moon, C. & Imada, H., 27 Feb 2026, (E-pub ahead of print) In: Research and Politics. 13, 1Research output: Contribution to journal › Article › peer-review
Open Access
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Advancing Theoretical Understanding and Methodological Capacity in Psychology Through Social Simulation
Imada, H. (PI)
1/03/26 → 28/02/27
Project: Knowledge Exchange and Impact
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Intergroup Pluralistic Ignorance and Intergroup Cooperation for Climate Change
Imada, H. (PI)
1/01/26 → 31/12/30
Project: Research
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Prizes
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The Solomon Asch Early Career Award
Imada, H. (Recipient), 22 Sept 2024
Prize: Prize (including medals and awards)