Hanadate, Shuhei (花立 修平)

Interest

Sample size planning (Sample size justification), Experimental design, Sequential analysis, Test theory, Item response theory, Bayesian modeling, Psychometrics, and R-lang.

Book hoarding, Martial Arts, Dharma and Soto Zen.

ORCID

https://orcid.org/0009-0003-7570-6446

Github

https://github.com/hanadate

Certification

  • Certified ScrumMaster (2018/05~2024/05)

  • Certified Scrum Product Owner (2018/04~2024/04)

  • PMI Agile Certified Practitioner (2019/11~2022/11)

  • SPSS Modeler Professional v3

  • IBM Certified Data Scientist

License

  • Standard Motorcycle License (普通自動二輪車免許)

  • Class 1 Driver’s License (普通自動車免許)

  • After-school Child Care Worker (放課後児童支援員)

  • Herbal Health Counselor (漢方養生指導士)

  • Boxer License (2021~2023)

Publication

  1. Hanadate, S. (2026, March 5). Group sequential methods for detecting differential item functioning. [Preprint] https://doi.org/10.31234/osf.io/qgvu6_v1

  2. Hanadate, S., & Yamaguchi, K. (2025, March 10). Simulation-based sample size planning for Rasch family models. [Preprint] https://doi.org/10.31219/osf.io/pu53j_v2

Poster

  1. 横井 美緒○，佐々木 銀河，花立 修平，森 千夏，山口 一大，「教育機関に在籍する学生を対象とした合理的配慮に関する理解度テストについて」,全国高等教育障害学生支援協議会（AHEAD JAPAN）第11回大会，関西大学，2025年9月
  2. Hanadate, S. & Yamaguchi, K. (2025 July). Simulation-based sensitivity analysis for power of Rasch family models. International Meeting of Psychometric Society 2025. Minneapolis, MN, USA.

Award

  • General Manager Award of IBM Japan, 2019/2H.

Biography (Education and Career)

2024: Enroll in University of Tukuba for master’s program in Psychology. The SV is Kazuhiro Yamaguchi.

2016: Started to work as Consultant for data analytics and marketing @IBM. The last position was a managing consultant who managed 2 or 3 projects parallelly and reporting line for a newbie team. Industries worked for: Pharma, Automotive, and Finance. Quitted it in 2024.

2012: Enrolled in Waseda University for undergraduate program in Psychology. Graduated in 2016. The SV was Hideki Toyoda.

2006: Enrolled in Waseda Junior & Senior High School. Graduated in 2012.

1993: Born in Kanagawa. Raised in Tokyo.

Side Hustle

  • Research Assistant (2025~2027): In University of Tsukuba, working for Bureau of Human Empowerment(BHE) to develop a test that measures understandings about reasonable accommodation.

  • Supporting Research for high school students (2024~2026): In University of Tsukuba, working for Global Front-runner in Engeneering, Science & Technology (GFEST) to support research by high school students. Provided skills and knowledges about psychometrics to enhance their research.

    • Relationships between Handwritings Style and Preferences.

    • Gender differences for Trypophobia.

  • Teaching Japanese (2024~2026): In my hometown Mitaka, working as a volunteer for Let’s Learn Japanese (LLJ) in Mitaka International Society for Hospitality (MISHOP).

  • Boxing (2009~2023): In Waseda University, was a fly or bantam weight boxer for a club team, which produced a world champion and some japan champions. And 2021, it was 5 year blank after the graduation, proceeded into professional rings. Although the career was not successful, learned a lot.

Contact

hanadate.shuhei.tkb_gb[atmark]u.tsukuba.ac.jp

No social media account.