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Pipp-Siegel, Sandra; Foltz, Carol – Child Development, 1997
Two studies tested whether 12- and 24-month olds' self-knowledge differed from their knowledge of others (mother or inanimate object), or whether toddlers' knowledge of persons (self and mother) differed from knowledge of objects. Results showed that 12-month olds were more sensitive than older toddlers to perceptual features of objects. Data were…
Descriptors: Age Differences, Individual Development, Mothers, Object Permanence