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Douglas, J. E.; Sutton, A. – Journal of Child Psychology and Psychiatry and Allied Disciplines, 1978
A pair of severely speech delayed twin girls were separated and placed into parallel school classes where they were given language training with the aim of remediating the effects of their early deprivation. The acceleration in their linguistic ability was paralleled by a marked increase in intellectual functioning as measured by standardized…
Descriptors: Delayed Speech, Disadvantaged Environment, Early Experience, Females