Comments on G. Zivin's model of expressive behavior development, presenting support for (1) affect-induced and (2) spontaneously generated emotion and expressive behavior. Argues that these phenomena are mediated by sensorimotor and sensory-perceptual processes. (HOD)

Presents results of a study of the role of context upon English children's estimation skills. Includes estimation tasks involving distance, area, and volume measurements and children's answers about how they carried out the tasks. Concludes that estimates in contexts perceived as mathematical differed from those involving perceptual-motor skills.…

Investigates developmental changes in the accuracy of aimed movements made to an illuminated target lamp by children between the ages of 1.5 and 8 years. Shows accuracy decreased with decreasing availability of visual information and improved with age under all conditions. (HOD)

The study of the performance of 55 learning-disabled college students on the Raven's Progressive Matrices and other tasks found: (1) a negative correlation between visual-motor skills and written language, (2) a positive correlation between visual organization/memory and mathematics, and (3) a positive correlation between auditory memory and…

Twenty-one children (approximate ages 6 to 16), drawn from the larger pool of 100, with Tourette's Syndrome were evaluated to: (1) determine the prevalence of learning disorder in this population; (2) identify particular areas of academic difficulty; and (3) consider the spectrum of central nervous system processing deficits in these children. Not…

Research was performed in lower grade technical schools in the Netherlands to study complex psychomotor tasks requiring integration of several task-dependent skills. In two studies, students were observed performing metal work. They were assigned to instructional conditions of high, intermediate or low structure. Students in the high-structure…