Notes
Howard Giles is Reader in Social Psychology, University of Bristol, 8–10 Berkeley Sq., Bristol BS8 1HH, UK: Miles Hewstone, who wishes to express his gratitude for funding from the Leverhulme Trust, is now an Alexander von Humboldt Research Fellow, Universität Tübingen, Psychologisches Institut, Friedrichstrasse 21, 7400 Tübingen 1, W. Germany, and Peter Ball is Senior Lecturer, Department of Psychology, University of Tasmania, P.O. Box 252C, Hobart, Tasmania, Australia 7001. We are grateful to Derrick Sharp for his encouragement and useful comments and advice with respect to this Prologue and to Clare Creber, Lise Simard, Ellen B. Ryan and John Edwards for helpful comments on an earlier draft.