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Peer reviewedSlater, Alan; Sykes, Margaret – Child Development, 1977
A series of experiments is described whose aim was to define certain of the effective dimensions of stimulation in the newborn's visual environment. (Author/JMB)
Descriptors: Dimensional Preference, Infant Behavior, Neonates, Visual Environment
Peer reviewedRichards, John E.; Rader, Nancy – Journal of Experimental Psychology: Human Perception and Performance, 1981
Two experiments tested the effects of crawling-onset age, amount of crawling experience, and testing age on avoidance of the deep side of a visual cliff apparatus by human infants. Crawling-onset age disciminated between infants because crawling during the tactile phase interferes with later visual control of locomotion. (Author/RD)
Descriptors: Depth Perception, Infant Behavior, Infants, Motor Development
