The relations of children's (n=214 at Time 1; M age=6 years at Time 1) dispositional sympathy to adult-reported and behavioral measures of effortful control (EC) and impulsivity were examined in a longitudinal study including five assessments, each two years apart. Especially for boys, relatively high levels of EC and growth in EC were related to…

The objective of this paper is to report the development and use of an observation checklist to identify typically developing children with behavioural manifestations associated with inattention, hyperactivity and impulsivity. This measure is termed the Scope Classroom Observation Checklist (SCOC). The SCOC was developed, assessed for reliability…

Investigated time conceptualizations and delay of gratification capacities of 64 6- to 10-year-olds identified as impulsive or reflective according to performance on Kagan's Matching Familiar Figures Test. They were administered a maintenance of delay of gratification task, a time concept questionnaire, and several measures of temporal perspective…

Social skills and levels of inappropriate assertiveness/impulsiveness were assessed using the Matson Evaluation of Social Skills with Youngsters, with 17 autistic children (ages 2-21) and 17 matched nonautistic children. Significant differences in both appropriate and inappropriate social behaviors were found. Results suggest the importance of…

A sorting-recall procedure was used to examine the relationship between study and recall organization in reflective and impulsive children at the first and fourth grade levels. Data regarding sorting latencies per trial and the number of trials required to achieve stable sorts were provided by two indirect measures of the deliberateness and ease…