Content area
Full text
James O. Prochaska, an internationally recognized clinical psychologist who revolutionized health behavior change, died in Maine on July 9, 2023.
Prochaska’s career initially focused on the problem of equivalent efficacy for radically different psychotherapies. He searched for common processes of behavior change, analyzed key mechanisms of 18 prominent theories of psychotherapy, and proposed an integrative synthesis. This work led to Systems of Psychotherapy: A Transtheoretical Analysis first published in 1979 and now in its 10th edition coauthored with Prochaska’s...