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Mayer, Peter J. – 1979
Homo sapiens is the only extant species for which there exists a significant post-reproductive period in the normal lifespan. Explanations for the evolution of this species-specific trait are possible through "non-deterministic" theories of aging positing "wear and tear" or the failure of nature to eliminate imperfection, or…
Descriptors: Adult Development, Adults, Biological Influences, Cultural Background
Kirschner, Suzanne – 1983
This paper explores some of the intellectual forces and themes connected to the emergence of the child study movement as a focus of scientific interest and research. This analysis is followed by a look at some institutional and social developments, which, it has been suggested, created needs and demands for the systematic study of children.…
Descriptors: Child Development, Child Role, Children, Educational Change