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McCall, Robert B.; Kagan, Jerome – Develop Psychol, 1970
Results of this study of 72 4-month-old infants suggest caution in using an overt demonstration of habituation as a necessary index of perceptual learning. (Author/MG)
Descriptors: Attention Span, Infant Behavior, Perceptual Development, Reaction Time
McCall, Robert B. – 1970
Studies of the infant's distribution of attention to stimuli of varying complexity, and of his differential attention to familiar versus novel stimuli (discrepancy), have attempted to shed light on the development of cognitive structures in the non-verbal infant. The subjects have typically been normal infants ages 4 to 6 months. For testing, the…
Descriptors: Attention, Attention Span, Cognitive Development, Cognitive Processes
Peer reviewed Peer reviewed
McCall, Robert B. – Developmental Psychology, 1979
Individual differences in pattern of habituation in fixation time and cardiac change to visual and auditory stimuli are described. Subjects were 94 5- and 10-month-old infants. (Author/MP)
Descriptors: Attention Span, Eye Fixations, Heart Rate, Individual Differences
Peer reviewed Peer reviewed
McCall, Robert B.; And Others – Child Development, 1973
Descriptors: Age Differences, Attention Span, Cognitive Development, Eye Fixations