Alfie Kohn's landmark challenge to carrot-and-stick psychology, featuring updated reflections and research in a new afterword.

The basic book about the controversial philosophy known as behaviorism, written by its leading exponent.

"Applied behavior analysis has become more mature and sophisti-cated since the second edition was published. Although the basic principles of behavior remain unchanged, advances in all three interrelated domains of the science of behavior-- theoretical, basic research, and applied research--have improved our under-standing of those principles and led to increased effectiveness in developing and applying effective and humane behavior change interventions....

John B. Watson was the founder of Behaviorism, a school that attempted to ground psychology purely in empirical practice, by observing and strictly focusing on behavior, while entirely neglecting introspection and any internal mental life.