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Peer reviewedWorobey, John; Lewis, Michael – Developmental Psychology, 1989
Studied individual differences in reactivity in 40 newborns. Measures of reactivity were related during the first two months of extrauterine life. (RJC)
Descriptors: Individual Differences, Infant Behavior, Infants, Longitudinal Studies
Peer reviewedMilewski, Allen E.; Siqueland, Einar R. – Journal of Experimental Child Psychology, 1975
Descriptors: Color, Developmental Psychology, Individual Differences, Infant Behavior
Peer reviewedMcCall, Robert B. – Merrill-Palmer Quarterly, 1972
Based upon a paper presented at the American Psychological Association, Miami Beach, 1970. (Editor)
Descriptors: Behavior Theories, Cognitive Processes, Individual Differences, Infant Behavior
Peer reviewedField, Tiffany – New Directions for Child Development, 1989
Reports that, even though young infants can discriminate among different facial expressions, there are individual differences in infants' expressivity and ability to produce and discriminate facial expressions. (PCB)
Descriptors: Child Development, Facial Expressions, Individual Differences, Infant Behavior
Peer reviewedKorner, Anneliese F.; And Others – Child Development, 1989
Studied 112 preterm infants to determine developmental changes and stability of individual differences. Results indicate significant developmental gains with age, and highly significant individual stability of performance across age. (RJC)
Descriptors: Behavior Development, Child Development, Individual Differences, Infant Behavior
Peer reviewedMcCall, 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
Download full textHorowitz, Frances Degan; And Others – 1971
A survey of assessment procedures of the newborn and of the infant during the first month of life was conducted; the survey indicated that there were instruments for evaluating the newborn and for evaluating the four-week-old infant, but there was no single procedure which included an evaluation of both the newborn and the four-week-old infant.…
Descriptors: Age, Behavioral Science Research, Evaluation Methods, Individual Differences
Peer reviewedLeyendecker, Birgit; And Others – Merrill-Palmer Quarterly, 1997
Examined maternal and infant behaviors, behavioral coordination, maternal response, and nonresponse in relation to security of attachment. Subjects were 40 Euro-American mothers and 39 Central American immigrant mothers studied when their infants were 4-, 8-, and 12-months-old. Found that individual differences on measures of maternal response and…
Descriptors: Attachment Behavior, Cross Cultural Studies, Cultural Differences, Individual Differences
Direct linkLandry, Susan H.; Smith, Karen E.; Swank, Paul R. – Developmental Psychology, 2006
Mothers whose infants varied in early biological characteristics (born at term, n = 120; born at very low birth weight [VLBW], n = 144) were randomized to a target group (n = 133) or developmental feedback comparison group (n = 131) to determine whether learning responsive behaviors would facilitate infant development. The target condition…
Descriptors: Mothers, Responses, Parent Child Relationship, Child Development
Peer reviewedMcCall, Robert B. – Monographs of the Society for Research in Child Development, 1974
Reports a series of studies conducted to investigate possible differences in the exploratory manipulation and play behavior of human infants 7-1/2- 11-1/2 months of age as a function of the attributes of the stimulus, the familiarity of the subject with the stimuli, the age and sex of the infants, and individual differences. (Author/CS)
Descriptors: Age Differences, Behavioral Science Research, Cognitive Development, Developmental Psychology
Morgan, George A.; And Others – 1974
In this study an attempt was made to measure variables which were expected to be related to individual differences in infants' social responsiveness toward strangers. The subjects were 48 infants (24 boys and 24 girls) between 8 and 13 months of age. Most were children of Cornell University faculty or graduate students, but a broad range of…
Descriptors: Behavior Patterns, Identification (Psychology), Individual Differences, Infant Behavior
