Document Type

Article

Disciplines

Public Health Education and Promotion

Comments

Published in Psychological Bulletin, Vol 111, No.3, pp.455-474 (May 1992) at http://content.apa.org/journals/bul/111/3/455.html This article may not exactly replicate the final version published in the APA journal. It is not the copy of record. APA Website: http://www.apa.org/