What factors cause someone to say yes? And which techniques most effectively use these factors to bring about such compliance? In his best-selling book, Robert Cialdini, former salesperson, fund-raiser, and advertiser, and current professor of social psychology, examines the science and practice of persuasion and compliance. Praised for its enjoyable writing, practical suggestions, and scientifically documented content, prior editions have been widely read by business professionals, fund-raisers, and those interested in psychology. Book jacket.