Teikyo University, Department of Psychology

Associate professor

e-mail: horita[at]main.teikyo-u.ac.jp

Research fields:

Social psychology, Evolutionary psychology, Behavioral economics

Research interests:

Cooperation, Cultural evolution, Emotion, Social network

See, "About research"

Publications (Selected papers):

  • Horita, Y. (2021). Conjecturing harmful intent and preemptive strike in paranoia. Frontiers in Psychology, 12, 726081. https://doi.org/10.3389/fpsyg.2021.726081

  • Horita, Y. (2020). Greater effects of mutual cooperation and defection on subsequent cooperation in direct reciprocity games than generalized reciprocity games: Behavioral experiments and analysis using multilevel models. PLOS ONE, 15, e0242607. https://doi.org/10.1371/journal.pone.0242607

  • Horita, Y., & Takezawa, M. (2018). Cultural differences in strength of conformity explained through pathogen stress: a statistical test using hierarchical Bayesian estimation. Frontiers in Psychology, 9, 1921. https://doi.org/10.3389/fpsyg.2018.01921

  • Horita, Y., Takezawa, M., Inukai, K., Kita, T., & Masuda, N. (2017). Reinforcement learning accounts for moody conditional cooperation behavior: experimental results. Scientific Reports, 7, 39275. https://doi.org/10.1038/srep39275

  • Horita, Y., Takezawa, M., Kinjo, T., Nakawake, Y., & Masuda, N. (2016). Transient nature of cooperation by pay-it-forward reciprocity. Scientific Reports, 6, 19471. https://doi.org/10.1038/srep19471

  • Horita, Y., & Takezawa, M. (2014). Observation enhances third-party punishment only among people who were not hot-tempered. Letters on Evolutionary Behavioral Science, 5, 5-8. https://doi.org/10.5178/lebs.2014.28

  • Horita, Y. (2010). Punishers may be chosen as resource providers but not as recipients. Letters on Evolutionary Behavioral Science, 1, 6-9. https://doi.org/10.5178/lebs.2010.2

  • Schug, J., Matsumoto, D., Horita, Y., Yamagishi, T., & Bonnet, K. (2010). Emotional expressivity as a signal of cooperation. Evolution and Human Behavior, 31, 87-94. https://doi.org/10.1016/j.evolhumbehav.2009.09.006

  • Yamagishi, T., Horita, Y., Takagishi, H., Shinada, M., Tanida, S., & Cook, K. S. (2009) The private rejection of unfair offers and emotional commitment. Proceedings of the National Academy of Sciences of the United States of America, 106, 11520-11523. https://doi.org/10.1073/pnas.0900636106

Google Scholar Citation Search


  1. Grants-in-Aids for the Japanese Society for Young Scientists (B), 2015-2017

  2. Grants-in-Aids for the Japanese Society for Young Scientists, 2018-2020

  3. Grants-in-Aids for the Japanese Society for Scientific Research (C), 2021-2023


Hokkaido University, M.A. (Behavioral Science)

Hokkaido University, Ph. D. (Behavioral Science)

Professional experiences:

  • Associate professor, Teikyo University, 2019-

  • Assistant professor, Teikyo University, 2016-2019

  • Project assistant professor, National Institute of informatics of Japan, 2013-2016

  • Post-doctoral research fellow, Department of Behavioral Sciences, Hokkaido University, the Japanese Society for the Promotion of Science 2012-2013

  • Post-doctoral research fellow, Department of Psychology, Sophia University, the Japanese Society for the Promotion of Science, 2011-2012

Academic activities:

Ad hoc Journal reviewer:

Computational Cognitive Science, Economic Bulletin, Evolutionary Psychology, Frontiers in Behavioral Neuroscience, Frontiers in Psychology, Journal of Behavioral Decision Making, Journal of Cognitive Psychology, Journal of Economic Psychology, Journal of Experimental Psychology: Applied, Japanese Psychological Research, Letters on Evolutionary Behavioral Science, PLOS ONE, Review of Behavioral Economics, Scientific Reports, Social Psychology Quarterly, The Japanese Journal of Psychology