This study attempted to search the nature of language development and the relationship between vocal development and motor development in infancy, and it relied on the descriptive and qualitative approach and the method of content analysis to review and compare three researches related to the relationship of language development and physical…

Reviews early theoretical and research literature on handedness and places it within the larger context of the nature-nurture controversy. Discussion focuses on Baldwin's study of the development of hand preference in infants in relation to the recapitulation theory, mental development ("dynamogenesis"), and speech development.…

Reviews the research on (1) developmental stages of play among young children; (2) solitary play as a separate continuum with its own developmental stages; and (3) benefits of solitary play on the child's whole development. (BB)

The current state of and opportunities for basic research related to child and adolescent development are described in this report. The document was prepared as a resource for developing the National Institute of Child Health and Human Development's 5-year plan of research for the years 1983-1987. Five broad areas of research are addressed: (1)…

Reviews current research on infant and toddler physical development, cognitive development, and language acquisition. Provides a list of suggested activities, safety concerns, and opportunities for caregivers to enhance child development. (SD)