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Kreppner, Kurt; And Others – Human Development, 1982
Sixteen families expecting their second child at the beginning of the study were observed over a period of two years in their homes, in order to conceptualize changes in family structure as it changes from a triadic to a tetradic (group or arrangement of four) form. (MP)
Descriptors: Birth, Change, Developmental Stages, Family Relationship
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Bovet, Magali C.; And Others – Human Development, 1982
Several experiments with 8- to 9-year-old children are reported to demonstrate that "decalage" observed between success in problems of conservation of weight, volume, and density is due to the different task situation as presented by Piaget and Inhelder. (Author)
Descriptors: Adolescents, Age Differences, Children, Cognitive Processes
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Wallace, Doris B.; And Others – Human Development, 1994
Identifies three categories of baby diaries--scientific, educational, and domestic--prevalent from the late 18th to late 19th century in Western Europe and the United States. Discusses the diarists and recurring themes in the diaries, such as the nature of instinctive behaviors and recapitulationism. Explores contemporary uses of the diary method.…
Descriptors: Case Studies, Child Development, Child Psychology, Developmental Stages