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Durfee, Joan T.; Lee, Lee C. – 1973
The Infant-Infant Contact Code, developed to observe the social behavior in infants, is described. Results from using this scale with nine infants under nine months indicated that contacts between infants are complex in nature, that there are developmental changes in models of encounter, and that babies take different roles in relation to the…
Descriptors: Age Differences, Behavior Development, Individual Differences, Infants

Fagot, Beverly I.; And Others – Developmental Psychology, 1986
Tests the ability of 43 children, ranging in age from 20 months to 40 months, to discriminate between pictures of boys and girls and male and female adults. Compares children who passed this gender-task with those who failed it on three behaviors most often categorized as sex-typed: toy choice, aggression, and peer playmate selection. (HOD)
Descriptors: Aggression, Behavior Development, Behavior Patterns, Cognitive Development