New paper out with @kodai-kusano.bsky.social in the British Journal of Social Psychology🚨 Dominance meets competence: A socio-ecological perspective on leadership and human social hierarchies bpspsychub.onlinelibrary.wiley.com/doi/10.1111/...

<em>British Journal of Social Psychology</em> | Wiley Online Library

Dominance has been evolutionarily salient in shaping power relations across species, and recent social-psychological work has revived the concept in the study of human social hierarchies. Yet previou...

bpspsychub.onlinelibrary.wiley.com

NEW from me in @pnas.org on the risks of data sharing with qualitative research: "Today, confidentiality risks are amplified by social media, surveillance, and AI tools, which make ample data about people publicly available, thus making deidentification less effective" www.pnas.org/doi/10.1073/...

New working paper with @robertboehm.bsky.social: it is an early version likely needing significant revision, so feedback is very much appreciated. We review multi-level games: a family of economic games that capture tensions within and between groups simultaneously. (1/5) doi.org/10.31234/osf...

Excited to announce the 2nd Graduate Summer School on Computational Decision Sciences (GSS-CDS) at RHUL! 📅 Sept 7–11, 2026 📍Stewart House, Central London Fee: £480 (includes lunch, breaks & events) Registration closes on June 15. center-decision-sciences.com/cds-graduate...

CDS Graduate Summer School 2026

Program Registration Schedule Directions Home 7th – 11th September, 2026 The Center for Decision Sciences will host a Graduate Summer School during the second week of September, 2026 in Senat…

center-decision-sciences.com

New paper in press in EHS We looked at how group membership shapes social norms (reputation assignments in IR). 💡Second-order information influenced the reputation of cooperators (not defectors) more within the group boundary than across it www.cambridge.org/core/journal...

@makitotakei.bsky.social, Chanki Moon & @hirotakaimada.bsky.social test if target publics see audience costs. US survey (N=1,404): people infer domestic punishment for backing down; credibility is similar for democracies and autocracies. Read more here: journals.sagepub.com/doi/10.1177/...

Audience costs in the eyes of an adversary - Makito Takei, Chanki Moon, Hirotaka Imada, 2026

Audience cost theory suggests that as a country increases its audience costs, it can send a credible threat to an opponent and prevail in an international crisi...

journals.sagepub.com

New paper led by @makitotakei.bsky.social! We found experimental evidence for one of the key theoretical tenets of audience cost theory - those in the challenged country understand that the challenger’s leader would face a punishment for backing down.

Research & Politics@respol.bsky.social · 5mo ago

@makitotakei.bsky.social, Chanki Moon & @hirotakaimada.bsky.social test if target publics see audience costs. US survey (N=1,404): people infer domestic punishment for backing down; credibility is similar for democracies and autocracies. Read more here: journals.sagepub.com/doi/10.1177/...

10 days left to apply for the 4-y PhD studentship on ennvironmental behaviours and intergroup relations! Full details in the original post below. Feel free to reach out if you have any questions!

Hirotaka Imada@hirotakaimada.bsky.social · 7mo ago

I am also hiring a PhD student (4-years, home student only to join the project, starting in September 2026🌏 Please share it widely! www.royalholloway.ac.uk/studying-her...

Psych Jobs Postdoctoral Position in Social Psychology at the University of Bonn (3 years) Research in moral psychology and related area

I am also hiring a PhD student (4-years, home student only to join the project, starting in September 2026🌏 Please share it widely! www.royalholloway.ac.uk/studying-her...

Other studentships

Other studentships

royalholloway.ac.uk

Hirotaka Imada@hirotakaimada.bsky.social · 7mo ago

I am hiring a 4y postdoc for my Leverhulme-funded project on the role of beliefs about what in/outgroup members believe/do about climate change in shaping pro-climate behaviours🌏 Start date: May 2026 at latest Deadline: Feb 8 Please share it widely! jobs.royalholloway.ac.uk/vacancy.aspx...

I am also hiring a PhD student (4-years, home student only to join the project, starting in September 2026🌏 Please share it widely! www.royalholloway.ac.uk/studying-her...

Other studentships

Other studentships

royalholloway.ac.uk

Hirotaka Imada@hirotakaimada.bsky.social · 7mo ago

I am hiring a 4y postdoc for my Leverhulme-funded project on the role of beliefs about what in/outgroup members believe/do about climate change in shaping pro-climate behaviours🌏 Start date: May 2026 at latest Deadline: Feb 8 Please share it widely! jobs.royalholloway.ac.uk/vacancy.aspx...

I am hiring a 4y postdoc for my Leverhulme-funded project on the role of beliefs about what in/outgroup members believe/do about climate change in shaping pro-climate behaviours🌏 Start date: May 2026 at latest Deadline: Feb 8 Please share it widely! jobs.royalholloway.ac.uk/vacancy.aspx...

Abstract submission deadline is now Jan 12! Apply and meet fellow scholars working on social identity in Canterbury:) socialidentitymeeting.org/call-for-pap...

Hirotaka Imada@hirotakaimada.bsky.social · 9mo ago

🚨Save the date and please help us spread the word! We are hosting the 2nd Bi-Annual Social Identity Meeting! Abstract deadline: Dec 20, 2025 Decision: early 2026 Conference: July 7-8, 2026 Location: Canterbury Cathedral Lodge More info: socialidentitymeeting.org

In January, I will be recruiting a PhD student (4y/domestic tuition) and a postdoc (4y) to work on a 5y project about the role of beliefs about what in/outgroups value/do/believe in shaping one's climate action. Please keep an eye out for the job advert if you are interested🙏🔥

FOUR teaching roles available at @rhulpsychology.bsky.social Interested in joining a large teaching focused group, in a wonderfully supportive, dual excellence department? Check out the job adverts below: jobs.royalholloway.ac.uk/Vacancy.aspx... jobs.royalholloway.ac.uk/Vacancy.aspx...

Job Opportunity at Royal Holloway University of London: Postdoctoral Teaching Associate

Full-Time, Permanent/Fixed-Term - One permanent appointment and one 12-month appointmentApplications are invited for a Post-Doctoral Teaching Associate post in the Department of Psychology, Royal Holl...

jobs.royalholloway.ac.uk

🚨Save the date and please help us spread the word! We are hosting the 2nd Bi-Annual Social Identity Meeting! Abstract deadline: Dec 20, 2025 Decision: early 2026 Conference: July 7-8, 2026 Location: Canterbury Cathedral Lodge More info: socialidentitymeeting.org

🚨We are looking for a scholar to join us as a lecturer (teaching & research contract, full-time, permanent), starting 1 April 2026! The application deadline is 1 December 2025. jobs.royalholloway.ac.uk/Vacancy.aspx...

Job Opportunity at Royal Holloway University of London: Lecturer in Psychology (Research & Teaching)

Full-time, PermanentApplications are invited for a post of Lecturer in the Department of Psychology, Royal Holloway, University of London, starting 1 April 2026. The post is open to ambitious, researc...

jobs.royalholloway.ac.uk

🚨New paper led by Lei Fan, with Florian van Leeuwen, @hirotakaimada.bsky.social, and @joshtybur.bsky.social, out in Cognition & Emotion: 🔗 doi.org/10.1080/0269... In two preregistered studies from Japan 🇯🇵 , we find that anger relates to confrontation while disgust to gossip and social exclusion.

Linking anger and disgust to motives and anticipations of aggression in the East: testing a socio-functional account of moral emotions in Japan

Anger and disgust often underlie responses to social transgressions, yet their links to aggressive punishments have been primarily studied in Western populations. Across two studies sampling from J...

doi.org

Can people be led to defend the opposite of their religious beliefs? A new study by Prof. Ryan McKay and colleagues shows they can, shifting later attitudes too. The paradigm holds real promise for illuminating big questions in the field. Open access: doi.org/10.1080/2153...

“I once was blind”: experimental manipulation of religious attitudes via choice blindness

Given ongoing debates about the nature and consequences of religious belief, effective procedures for experimentally controlling such beliefs are highly desirable. To date, however, there are few r...

doi.org

@hirotakaimada.bsky.social, Carya Maharja, Nattavudh Powdthavee, Valeria Vitale, @lei-zhang.bsky.social, Claudio Rosa, Zenith Delabrida, @kristiansn89.bsky.social, @franzessl1.bsky.social, Mathew White, @envpsyvienna.bsky.social, @acee.princeton.edu www.sciencedirect.com/science/arti...

Understanding the role of pluralistic ignorance in biodiversity conservation: A research agenda

Most people believe that biodiversity loss is human-caused, yet they may not realize how many others share this belief. Such collective misperceptions…

sciencedirect.com

🌏 𝗪𝗵𝗮𝘁 𝗺𝗼𝘀𝘁 𝗼𝗳 𝘂𝘀 𝗴𝗲𝘁 𝘄𝗿𝗼𝗻𝗴 𝗮𝗯𝗼𝘂𝘁 𝗻𝗮𝘁𝘂𝗿𝗲 𝗰𝗼𝗻𝘀𝗲𝗿𝘃𝗮𝘁𝗶𝗼𝗻 It’s not that people doubt biodiversity is declining—it’s that we underestimate how many others already share this concern. In our new Perspective, we review work on pluralistic ignorance and set out a research agenda to:

Understanding the role of pluralistic ignorance in biodiversity conservation: A research agenda

Most people believe that biodiversity loss is human-caused, yet they may not realize how many others share this belief. Such collective misperceptions…

sciencedirect.com

New paper out🌍 Following PRISMA2020, we conducted a systematic literature search and identified/discussed four psychological intervention approaches to engine idling: individual training, offering feedback, community-based interventions, and psychological messaging🚗 doi.org/10.1016/j.je...

New paper out in Political Psychology (@ispp-pops.bsky.social)🚨 We explored the race x politics crossed-categorisation effect on cooperation - the effect depends on participants' race and politics. onlinelibrary.wiley.com/doi/10.1111/...

Effects of race and political identity on interpersonal cooperation: A secondary analysis and replication

The highly polarized nature of American politics today has been attributed, in part, to the power of partisanship as a social identity and the increasing alignment of party affiliation, political ide...

onlinelibrary.wiley.com

Two experimental studies using the intergenerational sustainable dilemma game found that people made more sustainable choices when future beneficiaries were ingroup members, and less when they were outgroup members. @hirotakaimada.bsky.social www.nature.com/articles/s44...

Ingroup favoritism and outgroup derogation in intergenerational cooperation - Communications Psychology

Two experimental studies using the intergenerational sustainable dilemma game found that people made more sustainable choices when future beneficiaries were ingroup members, and less when they were ou...

nature.com

I had an amazing time in Vienna☀️ Thank you Qinyu (@qinyuxiao.bsky.social) very much for hosting me!

It was great to host Hiro @hirotakaimada.bsky.social for a few days in Vienna to discuss research on in-group favouritism, indirect reciprocity, and intergenerational cooperation!

New paper in @commspsychol.nature.com 🚨 We found future ingroup favoritism and outgroup derogation in both minimal and national group contexts: people made more and less sustainable choices when future beneficiaries were ingroup and outgroup members, respectively. www.nature.com/articles/s44...

Ingroup favoritism and outgroup derogation in intergenerational cooperation - Communications Psychology

Two experimental studies using the intergenerational sustainable dilemma game found that people made more sustainable choices when future beneficiaries were ingroup members, and less when they were ou...

nature.com

Off to Vienna✈️🇦🇹

Runnymede Jazz Orchestra will throw a summer gig at St John’s church in Egham on June 24!🎺🎷🎶☀️😎 www.ticketsource.co.uk/runnymede-ja...

I had the chance to be interviewed by a journalist recently and I asked how they found and approached me. One of the things they said was “I also like jazz”🤣🎺