Negation is a universal component of human language; polarity sensitivity (i.e., lexical distributional constraints in relation to negation) is arguably so while being pervasive across languages. Negation has long been a field of inquiry in psychological theories and experiments of reasoning, which inspired many follow-up studies of negation and…

This article had four goals. First, the authors identified a set of general challenges and questions that a life-span theory of development should address. Second, they presented a comprehensive account of their Motivational Theory of Life-Span Development. They integrated the model of optimization in primary and secondary control and the…

The effects of 80 second- through fifth-grade boys and girls of three types of adult commentary (anti-aggressive, nonaggressive, neutral), presented during a violent TV show, were examined and compared to a nonviolent control film group. Subjects' latency in seeking responsible adult assistance when witnessing "real" aggression among…

This paper examines the impact of the level of activity of an individual as a child on the activity level of that individual as an adult. The study is based on a stratified random sample of adult residents in 6 rural Iowa counties regarding 35 outdoor recreation activities. Five hypotheses were tested. The results indicate a direct effect of the…

Three myths about the cognitive processing of television and its effects on children and adults--television is a passive medium, viewing decreases creativity, and viewing is an addictive behavior--are discussed and compared with relevant research findings. (MBR)

The effects of a comprehensive program for the treatment of cigarette addiction were investigated. Subjects were 18 university students and 12 community members. Abstinence levels of 40 percent, verified by expired air carbon monoxide tests, were achieved in a six to nine month follow-up period. A partial component analysis revealed that the…