Physical health as a motivator for substance abuse treatment among medically ill adults: Is it enough to keep them in treatment?

Intrinsic and Extrinsic Motivations: Classic Definitions and New Directions

Richard M. Ryan, Edward L. Deci · Contemporary Educational Psychology · 2000 · 18.2K citations

Social Sciences, Psychology, Social Psychology +16

In search of how people change: Applications to addictive behaviors.

Carlo C. DiClemente, John C. Norcross · American Psychologist · 1992 · 8.6K citations · Full text

Public Health, Behavioral Sciences, Psychology +11

An Improved Diagnostic Evaluation Instrument for Substance Abuse Patients

A. Thomas McLellan, Lester Luborsky, George Woody et al. · The Journal of Nervous and Mental Disease · 1980 · 3.2K citations

Nursing, Psychiatry, Addiction Psychiatry +13

Alcohol Interventions in a Trauma Center as a Means of Reducing the Risk of Injury Recurrence

Larry M. Gentilello, Frederick P. Rivara, Dennis M. Donovan et al. · Annals of Surgery · 1999 · 772 citations

Medicine, Emergency Medicine, Injury Prevention +16

Initial motivations for alcohol treatment: Relations with patient characteristics, treatment involvement, and dropout

Richard M. Ryan, Robert W. Plant, Stephanie S. O’Malley · Addictive Behaviors · 1995 · 661 citations

Nursing, Behavioral Sciences, Psychology +11