College students who took the Defining Issues Test (DIT) were instructed to simulate the responses of 11-, 15-, and 19-year-old adolescents; other college students selected moral issues which they believed should be presented to adolescents in those age groups who were faced with the moral dilemmas in the DIT. (Author/DB)

Thirty undergraduate students discussed a moral issue with a confederate who held either the same or the opposing opinion. Subjects in the controversy condition indicated more accurate understanding of the confederate's reasoning than their counterparts; however, noncontroversy subjects erroneously believed they understood the confederate's…