People range in their readiness to make changes to different behaviors. Processes occurring naturally in each stage differ across the spectrum of readiness to for behavior change. In this episode, we talk with Dr. Carlo DiClemente about the origins and development of the Transtheoretical Model of Behavior Change. This model has become a standard and common language for a generation of behavior change specialists working with people experiencing addiction, in addition to many other health-related behavior changes. Dr. DiClemente is an Emeritus Professor of Psychology the the University of Maryland Baltimore County and a former President of the the Society of Addiction Psychology.