Presents data from two studies determining the validity of various measures of physical activity in preschool children. One explored how certain measures of activity predicted observed behavior. The other examined the Caltrac motion sensor's predictive validity. Results indicate the Caltrac monitor is sensitive to children's individual differences…

Examined development of young children's psychomotor behaviors on outdoor swings, devising a Guttman hierarchical scale. Found that children consolidate basic movements into proficient swinging skills, and then experiment with the physical properties of the swing and with the social context. Modeling, informal instruction, and practice contribute…

Because of the diversity, range, and combination of disabilities at the Center for Multiple-Handicapped Children, operated under the auspices of the New York City Board of Education, a unique instrument was needed for assessing functional levels, setting goals, and charting progress of handicapped children in special education facilities, regular…