James O. Prochaska

James O. Prochaska is a renowned psychologist best known for his work on behavior change and the development of the Transtheoretical Model, also known as the Stages of Change. This model outlines the process people go through when modifying behavior, including stages such as precontemplation, contemplation, preparation, action, and maintenance. Prochaska’s research emphasizes that change is not linear, and individuals may move back and forth between these stages. His work has been influential in areas like addiction treatment, health promotion, and psychotherapy, providing a framework for understanding how people can effectively change their habits and behaviors.