Inescapable shock given to weanling rats produced large deficits in adult escape behavior. Experience with escapable shock while a weanling immunizes the animal against the deficits produced by inescapable shock received as an adult. Implications of these findings for animal models of human depression are discussed. (Author/MS)

The literature on the behavior effects of videotaped playback reveals that little theoretical formulation has been offered to explain the positive results which have been reported. Two theoretical models are considered in regard to these results. The first, a reinforcement model, suggests that some behaviors are reinforced positively and some…

A study was conducted to determine the effects of student locus of control on perceptions of and resistance to teacher influence attempts. Subjects, 302 college students, were provided with 22 sets of Behavior Alteration Messages and were instructed to rate on a 1-5 scale "how frequently your teacher uses statements of each type to get you to…

Reports on a study that used positive reinforcement on a group of fourth and fifth graders to underscore the contingent relationship between student behavior and environment and thus develop a more internal locus of control. Shows that experimental subjects were significantly more internal than their placebo or control group counterparts following…