Examines the relationship between locus of control, using both a unidimensional and multidimensional approach, and completion and success in a weight reduction class. (Author)

Examined the role of attributions in initial and long-term smoking behavior change. Manipulated the externality of treatment. Subjects receiving nicotine gum were superior to the intrinsic self-help group in initial cessation but were inferior in maintaining abstinence. Subjects in the intrinsic self-help group made fewer external attributions for…

The present study evaluated the likelihood that volunteers for behavior therapy research are self-selected on variables known to moderate therapeutic outcomes. Compared with nonvolunteers, volunteers reported greater anxiety and externality. Among speech-anxious subjects, however, no volunteer bias was observed. (Author)