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Peer reviewedSamuels, Helen R. – Child Development, 1980
When older siblings were present with infants and their mothers in the backyard of a private home, the infants went further from their mothers, traversed a larger area of the yard, left their mothers more quickly, and stayed away longer. (RH)
Descriptors: Infant Behavior, Infants, Influences, Mothers
Download full textShimada, Shoko; And Others – 1979
The purpose of this study was to longitudinally examine the development of symbolic play in 2-year-old Japanese infants. The subjects were four children who were individually tested once a month from the age of 12 to 24 months in laboratory settings. Assessment materials consisted of three sets of miniature toys, a doll and junk objects. Each set…
Descriptors: Cognitive Development, Egocentrism, Foreign Countries, Imitation
