BankheadI.MacKayD. N.Fine motor performance in subjects of subnormal, normal and superior intelligence: I. Reaction time and task complexity. Journal of Mental Deficiency Research, 1982, 26, 73–89.
2.
BaumeisterA. A.KellasG.Reaction time and mental retardation. In EllisN. R. (Ed.), International review of research in mental retardation. Vol. 3. New York: Academic Press, 1968. Pp. 280–324.
3.
JohnsonJ. T.Jr.OlleyJ. G.Behavioral comparisons of mongoloid and non-mongoloid retarded persons: a review. American Journal of Mental Deficiency, 1971, 75, 546–559.