In Reducing Intergroup Prejudice and Conflict Using the Media: A Field Experiment in Rwanda, the author concluded that:

        a. The reconciliation program did not change listeners’ personal beliefs but did substantially influence listeners’

             perceptions of social norms.

        b. The reconciliation program was effective in changing both personal beliefs and social norms.

        c. The field study approach was ineffective in measuring changes in personal beliefs and social norms.

        d. Prior exposure to trauma was the most important variable in predicting changes in prejudice behavior.