Allport believed appealing to national values best rebuts prejudiced slurs

Evidence

Allport considered rebuttals which bystanders might use in response to overhearing someone else employ antilocutions. Citing the work of Citron, Chein, and Harding (1950), Allport concluded that the most effective way to respond to someone else’s use of ethnophaulisms was to point out that such prejudiced remarks are not in the American tradition (1954/1979, p. 314). — John F. Dovidio, Peter Glick, Laurie A. Rudman, On the Nature of Prejudice, 1265