Intelligence and cultural differences; a study of cultural learning and problem-solving / by Kenneth Eells [and others] under the chairmanship of Allison Davis. Eells, Kenneth, 1913-1973. Davis, Allison, 1902-1983. Intellect. Social classes. BF431 .E43 151.17 "The specific research work reported in this volume was carried on as a doctoral dissertation under the supervision of a committee composed of ... Davis, Havighurst, Herrick [and] Cronbach." Bibliography: p. [373]-382. [Chicago]: University of Chicago Press, [1951]. [1951]. 1951 Text xii, 388 p. eng