The Transtheoretical Model (also called the Stages of Change Model) was developed by Prochaska and DiClemente in the late 1970s. This model focuses on the decision-making of the individual and is a model of intentional change. The Transtheoretical Model operates on the assumption that people do not change behaviors quickly and decisively. Rather, change in behavior, especially habitual behavior, occurs continuously through a cyclical process.
The stages in this model are as follows:
To view a 4-minute demonstration video, navigate to the Dartmouth Dual Diagnosis Center page and follow the Integrated Treatment for Co-Occurring Disorders Videos link, or go directly to the YouTube Integrated Treatment for Co-Occurring Disorders Playlist link, and scroll down to the 4th video menu option entitled, “Practice Demonstration Video – Stages of Change & Treatment”.
Prochaska, Norcross and DiClemente’s book Changing for Good: A Revolutionary Six-Stage Program for Overcoming Bad Habits and Moving Your Life Positively.