Reviews Greenough, Black, and Wallace's (1987) conceptual framework for understanding the effects of early experience and sensitive periods on development, and illustrates the applicability of their model with recent data on the consequences for animals and human infants of the acquistion of self-produced locomotion. (BN)

Examines the fallacies about the nature of abilities and learning and about the interaction between sense modalities which follow from the dichotomy in relation to explanations of spatial development in the blind. Suggests that interactions between cognitive and perceptual factors need to be considered to explain more adequately effects of sensory…

Describes two experiments that examined the effects of quantity and depth of processing on elementary school children's time perception. (HOD)

Provides an overview of the research literature concerning the development of graphic art skills, relevant instructional methods, and the specific use of visual models as an instructional method. Pertinent findings, relevant methodological issues, and major conclusions are all discussed. Briefly addresses the viewpoints of gestalt and learning…

Analyzes the research strategies, stimuli, subjects, statistical strategies, and relative variables in 34 empirical studies on children's representation of three-dimensional objects. The studies fell into three categories: children's representation of spatial relationships within an object, between two objects, and studies that included both. (MJP)