References
- Prochaska , J. O. , DiClemente , C. C. and Norcross , J. C. 1992 . In search of how people change: Applications to addictive behaviors . American Psychologist , 47 : 1102 – 1114 .
- Prochaska , J. O. , Redding , C. A. , Harlow , L. L. , Rossi , J. S. and Velicer , W. F. 1994 . The transtheoretical model of change and HIV prevention: A review . Health Education Quarterly , 21 : 471 – 486 .