Research on how intergroup programs produce change is still in its infancy

Evidence

The ideal quantitative study would follow Allport’s specifications (preand post-test, the use of control groups, and longitudinal measurements). In addition, systematic qualitative and quantitative data on the specific processes that are believed to bring about favorable changes in attitudes and behavior are needed. Research has barely begun on the processes that mediate change in intergroup relations programs. — , Rudman, Laurie A - On the Nature of…, 2683