title: Stages of change in the modification of problem behaviors.
authors.affiliation: University of Rhode Island.
authors.forename: J O
authors.initials: JO
authors.lastname: Prochaska
authors.forename: C C
authors.initials: CC
authors.lastname: DiClemente
mesh_terms: D001521:Behavior Therapy / Q000379:methods*; D005500:Follow-Up Studies; D015438:Health Behavior; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D009042:Motivation; D010349:Patient Compliance / Q000523:psychology; D012649:Self Concept; D016540:Smoking Cessation / Q000379:methods* / Q000523:psychology