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Origins of Individual Differences in Imitation: Links with Language, Pretend Play, and Socially Insightful Behavior in Two-Year-Old Twins
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McEwen, Fiona; Happe, Francesca; Bolton, Patrick; Rijsdijk, Fruhling; Ronald, Angelica; Dworzynski, Katharina; Plomin, Robert – Child Development, 2007
Imitation, vocabulary, pretend play, and socially insightful behavior were investigated in 5,206 same- and opposite-sex 2-year-old twin pairs in the United Kingdom. Individual differences in imitative ability were due to modest heritability (30%), while environmental factors shared between twins (42%) and unique to each twin (28%) also made…
Descriptors: Foreign Countries, Teaching Methods, Twins, Play
On the Distinction Between Fear and Wariness
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Bronson, Gordon W.; Pankey, William B. – Child Development, 1977
A sample of 40 babies was observed in a variety of mildly challenging situations throughout their second year and in a series of follow-up assessments at age 31/2. Findings revealed two types of avoidant mechanism--wariness of the unfamiliar and fearfulness after exposure to a mildly difficult situation. (JMB)
Descriptors: Behavior Patterns, Fear, Individual Differences, Infants
Language Skill and Interactive Patterns in Prematurely Born Toddlers.
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Rocissano, Lorraine; Yatchmink, Yvette – Child Development, 1983
Explores particulars that may partially account for the remedial influence on development of interactions between infants and caregivers. Videotaped interactions between 20 prematurely born toddlers and their mothers were described in terms of dyadic joint attention to features of the environment. (Author/RH)
Descriptors: Attention, Behavior Patterns, Individual Differences, Intervention
Emergence and Persistence of Behavioral Differences in Twins
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Wilson, Ronald S.; And Others – Child Development, 1971
Mothers of 232 pairs of twins were interviewed periodically about the similarities and differences in behavior displayed by their twins during infancy and early childhood. (Authors)
Descriptors: Attention Span, Behavior Patterns, Behavioral Science Research, Data Analysis
Are Sex Differences in Child Motor Activity Level a Function of Sex Differences in Maturational Status?
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Eaton, Warren O.; Yu, Alice Piklai – Child Development, 1989
Investigated sex differences in the motor activity level of 83 children of 5-8 years. Relative maturity was negatively related to activity level. Girls were less motorically active and more mature than boys. (RJC)
Descriptors: Behavior Patterns, Child Development, Individual Differences, Maturity (Individuals)
Smiling in Infants
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Tautermannova, M. – Child Development, 1973
Descriptors: Age Differences, Behavior Patterns, Child Development, Emotional Development
Intact and Impaired Memory Functions in Autism.
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Bennetto, Loisa; And Others – Child Development, 1996
Examined memory functions in individuals with and without autism. Found that the group with autism performed significantly worse than the nonautistic group on temporal order memory, source memory, supraspan free recall, working memory and executive function but not on short- and long-term recognition, cued recall, or new learning ability. (MOK)
Descriptors: Autism, Behavior Patterns, Comparative Analysis, Developmental Stages
The Perception of Smiling and Its Experiential Correlates in Three-Month-Old Infants.
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Kuchuk, April; And Others – Child Development, 1986
Examines whether three-month-old infants can detect variations within the single expression category of smiling and whether individual differences in infants' sensitivities are related to identifiable mother or infant behaviors. (HOD)
Descriptors: Behavior Patterns, Facial Expressions, Individual Differences, Infants
Convergence of Parent and Observer Ratings of Temperament with Observations of Peer Interaction in Nursery School.
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Billman, Jean; McDevitt, Sean C. – Child Development, 1980
Convergence between temperament ratings from two different sources (mothers and observers) and observer codings of peer-peer interaction was assessed. (Author/MP)
Descriptors: Behavior Patterns, Behavior Rating Scales, Comparative Analysis, Individual Differences
Children's Social Goals and Self-Efficacy Perceptions as Influences on their Responses to Ambiguous Provocation.
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Erdley, Cynthia A.; Asher, Steven R. – Child Development, 1996
Examined whether children who vary in their behavioral responses to ambiguous provocation but have similar attributional processes differ in their social goals and self- efficacy perceptions. Subjects were 781 4th and 5th graders. Found that aggressive, withdrawn, and problem-solving responders differed in the social goals and self-efficacy…
Descriptors: Aggression, Behavior Patterns, Children, Individual Development
Reliable Individual Differences in Preterm Infants' Excitation Management.
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Korner, Anneliese F. – Child Development, 1996
Determined whether individual neonate characteristics could be detected and reliably measured in preterm infants. Results showed that preterms were highly self-consistent in their reactions to stimuli from neurobehavioral assessments. Highly reliable individual differences among infants were also seen. Individual consistencies and differences in…
Descriptors: Behavior Patterns, Child Development, Child Psychology, Emotional Response