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Breitmayer, Bonnie J.; Ramey, Craig T. – Child Development, 1986
A four-and-a-half-year longitudinal experiment reconsidered the contribution of organic impairment to the genesis of mild mental retardation among disadvantaged children. It was hypothesized that nonoptimal perinatal conditions might result in deficits that increase a child's vulnerability to environmental risk factors. Study results supported the…
Descriptors: Child Development, Child Rearing, Cognitive Development, Day Care