A group of 45 undergraduates discussed a moral issue with a confederate who had the same opinion (no-controversy) or opposite opinion (controversy). Subjects in the controversy conditions were induced to have a high level of defensiveness by a disconfirmation of personal competence or a low level of defensiveness by a confirmation. Subjects in…

Fourteen moral judgment intervention studies are reviewed and evaluated to address two questions: "Is it possible to stimulate moral judgment development in an educational setting?" and "Does the Defining Issues Test index such moral judgment changes?" These studies affirm the second question. Half of them produced significant…