Effects of Dichotomous Thinking and Information-Processing Style on Moral Judgment

[Speaker] Mieda, Takahiro:1
[Co-author] Oshio, Atsushi:2
1:Graduate School of Letters, Arts and Sciences, Waseda University (Japan), 2:Faculty of Letters, Arts and Sciences, Waseda University (Japan)

This study examined the effects of dichotomous thinking and information-processing style on moral judgment among Japanese undergraduates. The dichotomous thinking is a propensity to think of terms of binary opposition: "black or white", "good or bad", or "all or nothing". All Participants completed the Dichotomous Thinking Inventory (DTI), the Rational and Intuitive Information-Processing Style Inventory, and moral judgment tasks. The DTI consists of three subscales: Preference for dichotomy, dichotomous belief and profit-and-loss thinking (Oshio, 2009). Hierarchical multiple regression analyses indicated that each subscale of the dichotomous thinking had a different effect on the process of moral judgment. In addition, the relationships between the dichotomous thinking and moral judgments depend on participants' rational and/or intuitive information-processing styles.
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