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Ichikado, Keiko; Shinozaki, Kyugo – 1978
The development of social maturity, language, and arithmetic abilities was studied over a 3-year period in 103 mentally retarded children from high IQ (51-75) and low IQ (26-50) groups in special schools and special classes. Among findings were that the high IQ groups of both special classes and special schools showed much improvement over the…
Descriptors: Achievement, Arithmetic, Elementary Secondary Education, Exceptional Child Research
