Typical assessments of temporal discounting involve presenting choices between hypothetical monetary outcomes. Participants choose between smaller immediate rewards and larger delayed rewards to determine how the passage of time affects the subjective value of reinforcement. Few studies, however, have compared such discounting to actual…

Approximately seven years after completing a photographic essay about the self, 44 adults were surveyed about their lives, current creative activities, and their work values. In accord with prediction, those who devised richer, more multidimensional and creative photo essays--the more individualistic--were engaged in more creative lifestyles as…

This article presents results from two interrelated studies. The first study conducted a meta-analysis of the published literature since 1990 to determine the magnitude of achievement problems associated with attention-deficit/hyperactivity disorder (ADHD). Effect sizes were significantly different between participants with and without ADHD…

The psychological meaning and predictive value of a person's vocational aspirations were examined by applying Holland's typology to the vocational aspirations of high school juniors (N=1,005), college juniors (N=692), employed adults (N=140), and a second sample of college students studied over a 1 year interval (N=624). The aspirational data were…

This review examines the accuracy and the concurrent and predictive validity of brief self-report information, and evaluates the promise and problems involved in its practical use. In section one, the power of self-report information for predicting and understanding grades is reviewed. In the second section, research on the influence of background…