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 paper points out research showing that entrepreneurs can be described as mildly sociopathic. It argues that further empirical research in this area is needed and outlines a proposal to survey 300 entrepreneurs and a control sample to further understand the nature of entrepreneurial behavior. (JDD)

This article discusses the successes of behavior analysts in affecting challenging behaviors in persons with developmental disabilities. Three future issues are then addressed: the development of challenging behaviors, the role of rule-governance in challenging behavior, and the behavior of persons who directly apply functional assessment and…

Sociological literature on careers reveals that there are four major approaches framing career study, i.e., developmental, objective-empirical, normative, and interactive perspectives. Analysis of these approaches points to an orienting conceptualization of career based on the core characteristics of centrality, duration, and public…