To illuminate individual differences in the development of attention-deficit hyperactivity disorder (ADHD) symptoms in the general population, psychometric measures are needed that can capture general population-level symptom variation reliably, validly, and comparably from childhood through to the transition to adulthood. The ADHD subscale of the…

Developmental Record protocols were obtained from archival files for 1,069 institutionalized mentally retarded adults and children. Analyses revealed high internal reliabilities, but questionable validity. The Developmental Record did not adequately discriminate the five areas of functioning it purportedly assesses (self-care, perceptual-motor,…

Freedom is subject to a variety of conceptions in life because people think of it from where they are in life. Psychological literature contains a great deal about freedom but it is almost always found under the rubric of freedom versus determinism. This study examined the concepts of freedom in subjects (N=450) who ranged in age from 7 to 21…

The purpose of this paper is to report on the development and validation of the Social Problem Situation Analysis Measure (SPSAM), a measure of the ways in which children understand and attempt to resolve problematic social situations. The SPSAM is an assessment procedure in which children are shown cards depicting sequences of unfolding action in…