TOSHIHIKO SOUMA

Last Updated :2025/03/03

Affiliations, Positions
Graduate School of Humanities and Social Sciences, Professor
E-mail
soumanhiroshima-u.ac.jp
Self-introduction
I am researching social psychology. I study the dynamism of interpersonal relationships.

Basic Information

Academic Degrees

  • Doctor of Philosophy, Hiroshima University
  • Master, Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Economics : Economics : Economics and Management
  • [Master's Program] Graduate School of Humanities and Social Sciences : Division of Humanities and Social Sciences : Management Sciences Program
  • [Doctoral Program] Graduate School of Humanities and Social Sciences : Division of Humanities and Social Sciences : Management Sciences Program

Research Fields

  • Social sciences;Psychology;Social psychology

Research Keywords

  • leader reward and punishment
  • exclusivity in personal networks
  • approach and avoidance motivation
  • child rearing
  • abuse
  • expansion of personal networks
  • interpersonal relationships
  • domestic violence
  • prevention

Educational Activity

Course in Charge

  1. 2024, Graduate Education (Master's Program) , First Semester, Data Analysis for Research Concerning Social Behavior
  2. 2024, Graduate Education (Master's Program) , Academic Year, Seminar
  3. 2024, Graduate Education (Doctoral Program) , Academic Year, Seminar
  4. 2024, Graduate Education (Master's Program) , First Semester, Special Seminar in Management
  5. 2024, Graduate Education (Master's Program) , Second Semester, Special Seminar in Management

Research Activities

Academic Papers

  1. ★, SOUMA Toshihiko, URA Mitsuhiro, ISOBE Chikae, HASEGAWA Koji, & MORITA Akiko 2008 How do shy people expand their social networks?:Using social surrogates as a strategy to expand one's network, Asian Journal of Social Psychology, 20080301
  2. ★, Causes of Aggressive Action Due to Dispositional Aggressiveness: Implications of Provocation and Self-Regulation Resource, The Japanese Journal of Personality, 26(1), 23-37, 2017
  3. Do social motivation effects extend beyond the individual? The convergence process of social approach motivation in dyadic relationships, THE JAPANESE JOURNAL OF EXPERIMENTAL SOCIAL PSYCHOLOGY, 56(2), 165-174, 2017
  4. Does Employees' Prevention Focus Determine Their Taking Charge : The Moderating Effect of Outcome Interdependence, 29(2), 129-138, 201602
  5. Is the effect of organizational justice on workers' self-regulation affected by employment status or permanent orientation in non-permanent workers?, 19(1), 1-15, 2017
  6. How Group Perception Affects What People Share and How People Feel: The Role of Entitativity and Epistemic Trust in the "Saying-Is-Believing" Effect, FRONTIERS IN PSYCHOLOGY, 12, 20210922
    Link to Paper Search Results by DOI