We dedicate this book to John Thibaut. He was mentor and personal friend to one of us, and his work had a profound intellectual influence on both of us. We were both strongly influenced by Thibaut's insightful articulation of the importance to psychology of the concept of pro cedural justice and by his empirical work with Laurens Walker in reactions to legal institu demonstrating the role of procedural justice tions. The great importance we accord the Thibaut and Walker work is evident throughout this volume. If anyone person can be said to have created an entire field of inquiry, John...