Biography

Last updated:

Current Affiliation

Kyosuke Bunji, Ph.D in Education (The University of Tokyo)

Graduate school of business administration, Kobe University
Associate Professor

Work Experience

Apr. 2022 - present

Graduate school of business administration, Kobe University
Associate Professor

Apr. 2020 - Mar. 2022
Benesse Educational Research and Development Institute
Researcher
Apr. 2017 - Mar. 2020
Japan Society for the Promotion of Science
Research Fellowship for Young Scientists (DC1)

Education

Mar. 2020
Ph.D in Education
Graduate school of education, University of Tokyo, Japan
Dissertation title: "New item response models for multi-alternative forced choice questionnaire data with response time"
（Advisor: Dr. Kensuke Okada）
Mar. 2017
Master of Education
Graduate school of education, University of Tokyo, Japan
Thesis title: "A new item response model that uses response time information: An efficient estimation method via linear ballistic accumulation"
(written in Japanese: 「反応時間の情報を活用する新たな項目反応モデル―Linear Ballistic Accumulationを用いた効率的な推定法の提案―」)
（Advisor: Dr. Tomokazu Haeraba, and Dr. Kensuke Okada）
Mar. 2015
Bachelor of Education
Faculty of education, University of Tokyo, Japan
Thesis title: "Development of a new item response model that incorporates rater bias as the variance of parameters"
(written in Japanese: 「評定のバイアスを⺟数の分散として表現する項目反応モデルの開発」)
（Advisor: Dr. Takahiro Hoshino）

Committee

Nov. 2025 - present
Editorial Board
The Japanese Psychological Association
Apr. 2025 - present
Editorial Board
The Japanese Association for Survey Research
Jan. 2025 - present
Editorial Board
The Japanese Journal of Educational Psychology (Japanese Association of Educational Psychology)
Apr. 2023 - present
Test Reliability and Validity Review Committee
Common Achievement Test Organization (CATO)
Jul. 2021 - present
Steering Committee
The Behaviormetric Society, Japan

Awards

Sep. 2024
Kido Award, The Japanese Association of Educational Psychology
(Hamana M. & Bunji, K.,)
May. 2020
Encouragement Award, Japan Society for Computational Statistics
Dec. 2017
Presentation Award, Japan Association for Research on Testing
(Todo N., Bunji, K., & Ozaki K.)
Nov. 2017
Student Presentation Award, Japan Society for Computational Statistics

Grants

Current Grants

Apr. 2026 - Mar. 2030
Grant-in-Aid for Scientific Research (A)
(JSPS KAKENHI Grant Number 26H02548)
「人間と生物間の機能相互転写に基づく偏光視機能の能力解明」
(Co-investigator)
Apr. 2026 - Mar. 2029
Grant-in-Aid for Scientific Research (C)
(JSPS KAKENHI Grant Number 26K06569)
「解答プロセスから学習のつまずきを推定する「CBTならでは問題」の開発と妥当性の検証」
(Co-investigator)
Apr. 2026 - Mar. 2028
Grant-in-Aid for Scientific Research (C)
(JSPS KAKENHI Grant Number 23K02908)
"How do clinical psychologists utilize research findings in practice? An exploratory study"
(Co-investigator)
Apr. 2025 - Mar. 2029
Grant-in-Aid for Scientific Research (A)
(JSPS KAKENHI Grant Number 25H00577)
"Development of a foundation of comparative psychological measurement and its application"
(Co-investigator)
Apr. 2025 - Mar. 2030
Grant-in-Aid for Scientific Research (B)
(JSPS KAKENHI Grant Number 25K00660)
"Uncovering Common Determinants of Creativity Across Individuals, Teams, and Organizations Using AI-Based Reinforcement Learning Models"
(Co-investigator)
Apr. 2024 - Mar. 2028
Grant-in-Aid for Early-Career Scientists
(JSPS KAKENHI Grant Number 24K16811)
"Development of a machine learning approach for estimating psychological traits using diverse paradata"
(4,810,000 JPY)

Past Grants

Apr. 2025 - Mar. 2026
JST AIP Acceleration Research
(JPMJCR25U2)
"Scalable measurement and utilization of non-cognitive traits"
(Co-investigator)
Apr. 2024 - Mar. 2026
Grants for research, The Telecommunication Advancement Foundation
"Development of a method for detecting 'stumbling' in psychological scale responses using paradata in web surveys"
(4,099,000 JPY)
Aug. 2022 - Mar. 2024
Grant-in-Aid for Research Activity Start-up
(JSPS KAKENHI Grant Number 22K20316)
"Development of an adaptive multiple forced-choice psychological measurement using response time"
(2,600,000 JPY)
Apr. 2017 - Mar. 2020
Grant-in-Aid for JSPS Fellows (DC1)
(JSPS KAKENHI Grant Number 17J07674)
"Modeling the rater effect by considering cognitive processes within individuals"
(2,800,000 JPY)

Reviewer

International Journals & Conferences
Advances in Methods and Practices in Psychological Science, Behavior Research Methods, Behaviormetrika, Conference on Neural Information Processing Systems (NeurIPS), Educational and Psychological Measurement, European Journal of Psychological Assessment, Frontiers in Artificial Intelligence, Frontiers in Applied Mathematics and Statistics, Frontiers in Psychiatry, Frontiers in Psychology, Frontiers in Public Health, Frontiers in Social Psychology, Health Science Reports, Japanese Psychological Research

Japanese Journals
The Japanese Journal of Behaviormetrics, Japanese Journal for Research on Testing, Proceedings of the Institute of Statistical Mathematics, The Japanese Journal of Psychology, Journal of Information Processing, Japanese Journal of Applied Statistics, Japanese Journal of Educational Psychology, IEICE Transactions on Information and Systems (Japanese Edition)

Lectures

Some lecture materials can be viewed from the RESOURCE page (Japanese version only).

Current Lectures

Faculty of Business Administration
Kobe University
Business Statistics
Fall 2022, Fall 2023, Fall 2024, Fall 2025, Fall 2026
Seminar (Undergraduate)
AY 2026
Graduate School of Business Administration
Kobe University
Foundation of Statistical Method (Multivariate Analysis)
Offered as "Applied Regression Analysis" in AY 2022-2023
Spring 2022, Spring 2023, Fall 2024, Fall 2025, Spring 2026
Foundation of Statistical Method (Bayesian Statistics)
Spring 2024, Spring 2025, Fall 2026
MBA Program
Graduate School of Business Administration
Kobe University
Applied Statistical Analysis
Spring 2025, Spring 2026
Faculty of Education
Kyoto University
(Adjunct Lecturer)
Advanced Seminar on Psychological and Educational Measurement
Spring 2025, Spring 2026
School of Human Sciences
University of Tsukuba
(Adjunct Lecturer)
Special Lecture in Psychology 6
Intensive 2026

Past Lectures

MBA Program
Graduate School of Business Administration
Kobe University
Contemporary Business Administration (Survey Research)
Primarily responsible for the statistical analysis component
Spring 2024
School of Cultural and Social Studies
Tokai University
(Adjunct Lecturer)
Psychological Statistics
Spring 2019, Fall 2019, Spring 2020, Fall 2020, Spring 2021, Fall 2021
Faculty of Policy Management
Keio University
(Adjunct Lecturer)
Bayesian Statistics
Fall 2018, Fall 2019