This paper reports on an experiment to determine: (1) the effects of two different styles of television program format on the ability of preschool children to recall program content and (2) the cumulative effect of sustained viewing of particular programs upon spontaneous play behavior. Three groups of preschoolers (totaling 58) were exposed to…

What data, problems, and concepts are most relevant in determining the role of stimulation in human development? A critical analysis of the relationships between long term stimulation, behavior, and cognitive functioning and development points up biases and gaps in past as well as contemporary approaches. Each of the four sections of this paper…

This paper reports on three studies within a 6-year longitudinal study which explored the use of Piagetian sensori-motor substages as a curriculum base for individuals with profound mental retardation (MR). In the first study, a simple observational inventory, the Cognitive Marker Natural Observational Tool (CM-NOT), was developed and evaluated…