Takaku's research interests include apology and forgiveness, cross-cultural studies on interpersonal & intergroup conflict resolutions, and motivation theories in psychology and Weiner's theory of attribution in particular.
His significant publications (>10 citations on google scholar) include:
- "The effects of apology and perspective taking on interpersonal forgiveness: Introducing a dissonance-attribution model of interpersonal forgiveness," Journal of Social Psychology, 2001
- "A cross-cultural examination of people’s perceptions of apology, responsibility, and justice: From the U.S.S. Greenville accident to the E-P3 airplane accident," Tohoku Psychologica Folia., in press
- "Culture and status influences on account-giving: Comparison between the U.S.A. and Japan," Journal of Applied Social Psychology, 2000
- "Reducing road rage: A test of the dissonance-attribution model of interpersonal forgiveness," Journal of Applied Social Psychology, 2006