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Yusaku Horiuchi

@yusakuhoriuchi.bsky.social
1K followers 451 following 101 posts

Syde P. Deeb Eminent Scholar in Political Science at Florida State University & Professor at Waseda University. Views are my own

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Reposted by Yusaku Horiuchi
Rikio Inouye @rinouye.bsky.social · 02/10/2026
Grateful that this co-authored work is now cond. accepted at @apsrjournal.bsky.social ! Does backsliding damage allied public support for security cooperation? Prior work suggests no. We show it does! 6 cntry + 10K rspdnts shows backsliding ⬇️ ally support for intel. sharing + sec. cooperation.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 15/08/2026
📣 The guide family has grown to four! The new QSF Audit Agent Guide offers private browser-only checks and instructions for deeper audits. 🔒🤖 All four guides are still being tested, so feedback and ideas for improvement are very welcome! 🧪🙏 yhoriuchi.github.io/qsf-audit-ag...
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Reposted by Yusaku Horiuchi
Rikio Inouye @rinouye.bsky.social · 04/08/2026
Does backsliding undermine allied war support? - 4 ctry experiment during the 2026 US–Iran war - US strikes w/o Cong. authorization ⬇️allied publics' support. - Strongest effects for UK w.p. papers.ssrn.com/sol3/papers.... w/ @yusakuhoriuchi.bsky.social @eunajo.bsky.social @kmatush.bsky.social
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 24/07/2026
🚀 Major update! Replication Package Guide --> 🤖 AI-Assisted Research Project Management and Replication Guide. 1️⃣ Set up the research project from Day 1. 2️⃣ Build the replication package before acceptance. 🔒 Privacy-aware 💻 Software-neutral 🤖 AI-neutral 🔗 yhoriuchi.github.io/replication-...
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 23/07/2026
📢 Now online in AJPS (@ajpseditor.bsky.social)! With Katie Clayton, Aaron Kaufman, @kinggary.bsky.social , and @mayyakomis.bsky.social, we offer a unified framework for conjoint analysis—and argue for analyzing data at the CHOICE level. 📊 📄 doi.org/10.1111/ajps... 🛠️ yhoriuchi.github.io/projoint/
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 19/07/2026
📘 I revised my Guide to Recording AI Use following helpful comments from Gary King & an excellent discussion at Polmeth. A practical, tool-agnostic way to document substantive AI-assisted research automatically. 🤖📝 🔗 yhoriuchi.github.io/ai-collabora... Please share widely! 🔄🌍 Comments welcome. 💬
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 16/07/2026
I made 3 practical guides for using AI agents in research workflows 🤖📚 📦 Replication packages yhoriuchi.github.io/replication-... 🧹 BibTeX cleaning yhoriuchi.github.io/bibtex-clean... ✍️ Shared Overleaf projects yhoriuchi.github.io/ai-collabora... Please share with researchers/students 🙏
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 14/07/2026
🎉 Delighted to share my new website: horiuchi.org For years, I dreamed of an academic website with 🔎 searchable research records, 📝 blog posts, and 📄 consistency with my CV. I built it with help from Codex 🤖 It even includes an AI-generated illustration of me—with a new pair of glasses! 👓✨
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 11/07/2026
Excited to announce that jpmap + jpmapdata are now ready on CRAN! 🇯🇵🗺️📦 From initial idea to CRAN submission took less than 24 hours with OpenAI Codex running GPT-5.5 in Extra High Intelligence mode. 🤖⚡ yhoriuchi.github.io/jpmap/
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 07/07/2026
📦✨ New version of my Replication Package Guide is live! I added a copy button so researchers can paste the full instructions directly into Codex, Claude Code, or another coding agent. Make social science replication packages easier to prepare, audit, and share. yhoriuchi.github.io/replication-...
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 07/07/2026
New guide! 🤖📚 A BibTeX Cleaning Agent Guide for researchers using AI to clean .bib files carefully and transparently. 🔗 yhoriuchi.github.io/bibtex-clean... Please share with LaTeX users.
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Reposted by Yusaku Horiuchi
American Political Science Review @apsrjournal.bsky.social · 01/07/2026
From our FirstView: Reassessing Gendered Reactions to Terrorist Attacks: Slumps or Bumps? by @yusakuhoriuchi.bsky.social and MARTHA C. JOHNSON. doi.org/10.1017/S000...
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 21/06/2026
My article with Atsushi Tago is now OnlineFirst in @conflictmanagement.bsky.social . We examine Japanese public opinion toward the 2021 SDF evacuation from Afghanistan, focusing on civilian control, legality, and casualty sensitivity. 🔗 doi.org/10.1177/0738...
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Reposted by Yusaku Horiuchi
Cambridge University Press Political Science & IR @cambup-polsci.cambridge.org · 17/06/2026
#OpenAccess from the Journal of Law and Courts - The Supreme Court’s Partisan Composition Affects How Americans Evaluate Nominees: Evidence from a Conjoint Experiment - cup.org/4xGjmOT - @victorywu.bsky.social & @yusakuhoriuchi.bsky.social #FirstView
Promotional image featuring the logo of the "Journal of Law and Courts" on a teal background with a portion of a wooden gavel visible, emphasizing its #OpenAccess status.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 18/06/2026
🎉 New article in Journal of Law and Courts with @victorywu.bsky.social, my former Dartmouth student and now a PhD/JD student at Stanford. It began as his independent study at Dartmouth. 👏 We show that Supreme Court composition shapes how Americans evaluate nominees. DOI: doi.org/10.1017/jlc....
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 09/06/2026
Please join us to hear about three exciting research projects by our fellows. It should be a wonderful session!
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 05/06/2026
📢 The deadline is approaching for the APSA Experimental Research Section’s 2nd Experimental Research Early-Career Fellowship! 🌱 Please consider applying, and please share this opportunity with promising early-career scholars who may be interested. 🔗 forms.gle/fXHaqYK3TEL3...
forms.gle
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 19/05/2026
📢 New paper out in @isq-jrnl.bsky.social! @rinouye.bsky.social and I examine Americans’ selective sympathies toward Israelis and Palestinians. OA: doi.org/10.1093/isq/... Methodologically, we use "choice-level" conjoint analysis to examine how different attributes shape comparative evaluations.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 15/05/2026
Bluesky I made a public guide for preparing social science replication packages 📦 yhoriuchi.github.io/replication-... Please repost if this might help researchers preparing replication materials.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 12/05/2026
The first session is tomorrow! Please share this announcement with anyone who may be interested in this research showcase!
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Reposted by Yusaku Horiuchi
Miguel Pereira @miguelpereira.bsky.social · 08/05/2026
The APSA Exp Research Section @experimentsapsa.bsky.social is excited to announce the first research showcase from this yr's Early Career Fellows. Join us online to learn about the research the fellows have been working on over the past year. May 13 (Wed 11am EST). Zoom link: Horiuchi.org/zoom (1/2)
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 24/04/2026
New in ISQ (with Ben Goldsmith and Kelly Matush, @kmatush.bsky.social ) 🎉 doi.org/10.1093/isq/... Companion to our APSR article: doi.org/10.1017/S000... High-level visits: divergent effects 🔀 ISQ: Domestic approval ↓ APSR: Foreign opinion ↑
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Reposted by Yusaku Horiuchi
Cambridge University Press Political Science & IR @cambup-polsci.cambridge.org · 26/03/2026
#OpenAccess from @journalrep.bsky.social - Disclosing Invisible Attributes Leads to Discrimination - cup.org/4uSIQa8 - Kai Zhou & @yusakuhoriuchi.bsky.social #FirstView
Logo of JREP with the hashtag OpenAccess on a grey background dotted with red circles.
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Reposted by Yusaku Horiuchi
British Journal of Political Science @bjpols.bsky.social · 09/04/2026
From February 2026 - Descriptive or Partisan Representation? Examining Trade-Offs for Asian Americans - cup.org/45Y91Bz - John J. Cho, @miacosta.bsky.social & @yusakuhoriuchi.bsky.social #OpenAccess
BJPolS abstract text discussing research on voting preferences among Asian Americans in the U.S., focusing on 'co-ethnic' (same ethnicity) and 'cross-ethnic' (different ethnicity but within the same racial group) political representation.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 13/04/2026
New paper with Martha Johnson in APSR (@apsrjournal.bsky.social)😀 — Open Access 🎉📄 lnkd.in/eEPUxdi8 1) Terrorism ≠ rally effects. 2) Do women leaders face unique crisis penalties? No evidence. 3) Event-during-survey → trends matter ⚠️
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 26/03/2026
New paper (with Kai Zhou) in @journalrep.bsky.social: “Disclosing Invisible Attributes Leads to Discrimination" (doi.org/10.1017/rep....). This project builds on Kai’s honors thesis at Dartmouth. Another application of "choice-level" conjoint analysis (gking.harvard.edu/conjointE).
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Reposted by Yusaku Horiuchi
Inequality and Distributive Politics - IDP @inqdp.bsky.social · 06/03/2026
5/6 🧵In @bjpols.bsky.social, Cho, @miacosta.bsky.social & @yusakuhoriuchi.bsky.social study trade-offs between descriptive & partisan representation for Asian-Americans. Clear preference for partisanship over ethnicity. True co-ethnics preferred over pan-ethnic & cross-ethnic. doi.org/qtv8
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 11/02/2026
@bjpols.bsky.social New Open Access article in the BJPS cup.org/45Y91Bz. Examine how Asian Americans weigh descriptive vs. partisan representation—and demonstrate the value of "choice-level" conjoint analysis (see forthcoming AJPS: gking.harvard.edu/conjointE). Earlier version = Cho’s honors thesis!
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 23/12/2025
New working paper: "To Compare or Not to Compare: Testing the Effects of Profile Comparison in Conjoint Analysis" (with Martha Johnson). Key takeaway: when theory is comparative, analysis should be at the choice level. papers.ssrn.com/sol3/papers....
papers.ssrn.com
To Compare or Not to Compare: Testing the Effects of Profile Comparison in Conjoint Analysis
Conjoint analysis has become one of the most commonly used statistical tools in social science, particularly political science. In its standard form, respondent
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 01/12/2025
An interesting way to reduce affective polarization! doi.org/10.1126/scie...
doi.org
Reranking partisan animosity in algorithmic social media feeds alters affective polarization
Today, social media platforms hold the sole power to study the effects of feed-ranking algorithms. We developed a platform-independent method that reranks participants’ feeds in real time and used thi...
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 10/11/2025
New OA article w/ @shirokuriwaki.bsky.social and @profdansmith.bsky.social. Q. Why does Japan’s LDP stay dominant even when its policies aren’t preferred? A: valence > policy. Check it out here ➡️ [dx.doi.org/10.1561/100.00024134] #PoliSci #Japan #Elections
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 03/11/2025
It’s been years of collaboration, hard work, and innovation — and we’re excited to finally share our software with you!
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 16/06/2025
Today was Dartmouth College’s Commencement. Congratulations to the Class of 2026! I would also like to share that this was my final commencement at Dartmouth. Beginning in August, I will assume a new role as the Syde P. Deeb Eminent Scholar Chair at Florida State University.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 26/05/2025
The Experimental Research section of the American Political Science Association (@experimentsapsa.bsky.social) invites research proposals from post-prospectus PhD students for its Experimental Research Early-Career Fellowship program. Share this post! @apsa.bsky.social, @poscresearch.bsky.social
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 12/05/2025
I just booked domestic flights and a car rental online. I checked the price using the web browser in both normal and incognito modes. I could save about $500 by using the latter! Using incognito mode is always beneficial, as the AI-based dynamic pricing model does not rely on purchasing history!
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 03/05/2025
PNAS Marketing team has featured our recently published PNAS Nexus research article across our social media platforms!
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 23/04/2025
www.tokyoweekender.com/japan-life/n...
tokyoweekender.com
US Visa Applications from Japan Now Require Disclosing Social Media History
According to a recent announcement, all US visa applicants from Japan must include info on all SNS accounts used within the last five years.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 11/04/2025
If you're a non-citizen living in the U.S. and planning to move, read this thread:
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 10/04/2025
New in PNAS Nexus : 🇺🇸 U.S. democratic backsliding hurts its image abroad 🤝 But it doesn’t erode foreign policy cooperation—yet. Tested this via survey experiments in 12 countries (N = 11,810) 📄 doi.org/10.1093/pnas... #Democracy #USPolitics #PublicOpinion #ForeignPolicy
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 10/04/2025
🏌️‍♂️ The Masters Tournament kicks off today!! Please join me in cheering on my nephew, Hiroshi Tai. Let’s go, Hiroshi!! 🌟⛳💪 #TheMasters, #prouduncle sports.yahoo.com/article/mast...
sports.yahoo.com
The Masters: Georgia Tech golfer Hiroshi Tai making his debut
Hiroshi Tai is only the fifth amateur from Georgia Tech to compete in the Masters.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 03/03/2025
Nominate your/others' great research! And please share this post widely!
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Reposted by Yusaku Horiuchi
APSA Experimental Research Section @experimentsapsa.bsky.social · 09/12/2024
#polisky
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 13/02/2025
A postdoc position at Dartmouth! The deadline is approaching. Please share this link with anyone who may be interested in this position. apply.interfolio.com/160584
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 10/02/2025
Please feel free to use the following data to aggregate basic demographic and fiscal statistics at the level of single-member districts used in Japan's 2017, 2021, and 2024 Lower House elections. github.com/yhoriuchi/sm...
github.com
GitHub - yhoriuchi/smd_aggregator: Make SMD level demographic and local finance data
Make SMD level demographic and local finance data. Contribute to yhoriuchi/smd_aggregator development by creating an account on GitHub.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 09/02/2025
If you are interested in analyzing municipality-level results from recent House of Representatives elections in Japan, please feel free to use the data available at the links below: github.com/yhoriuchi/je... github.com/yhoriuchi/je... github.com/yhoriuchi/je...
github.com
GitHub - yhoriuchi/jelec2017lh: Download, wrangle, and save municipality-level results of the 2017 House of Representatives Election in Japan
Download, wrangle, and save municipality-level results of the 2017 House of Representatives Election in Japan - yhoriuchi/jelec2017lh
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 04/02/2025
Please share our old article for The Monkey Cage (now Good Authority) -- with Ben Goldsmith and Terence Wood. www.washingtonpost.com/news/monkey-...
washingtonpost.com
Doing well by doing good: foreign aid improves opinions of the U.S.
A U.S. aid program specifically targeted to address the problems of HIV and AIDS has improved perceptions of the United States among the public in recipient countries.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 04/02/2025
goodauthority.org/news/ending-... Thank you, Matt, for mentioning our paper (with Ben Goldsmith and Terence Wood) on the impact of PEPFAR on attitudes toward the US.
goodauthority.org
U.S. foreign aid helps the United States in many ways.
U.S. foreign aid is a soft power tool, serving an important diplomatic function. That's what the research shows.
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 21/12/2024
2024 Summary (as of Dec 21, 2024): (1) Journal Article Submissions 23 rejections (including 10 desk rejections) 3 invitations for revise & resubmit (R&R) 0 acceptances (2) Journal Reviews Completed 40 reviews (3) Grant Applications Submitted 4 declined 0 acceptances
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 12/12/2024
A two-year, pre-to-postdoc position (politics of Asian Americans) at @dartmouthartsci.bsky.social. Please share it with anyone who may be interested in this position. apply.interfolio.com/160584
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Yusaku Horiuchi @yusakuhoriuchi.bsky.social · 11/12/2024
I attended this webinar organized by the Korea Society and learned a lot. www.youtube.com/live/dg1vO3Q...
youtube.com
YouTube
Share your videos with friends, family, and the world
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