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O'Donnell, James P. – Child Develop, 1969
Research based upon a Ph.D. dissertation submitted to the Graduate School, University of Pittsburgh, and supported in part by U.S. Public Health Service grant MH-1290 and by the New York State Research Foundation.
Descriptors: Attention, Discrimination Learning, Instruction, Intelligence
Druker, Joseph F.; Hagen, John W. – Child Develop, 1969
Research supported by a U.S. Public Health Service fellowship grant and by grant No. 01368-04 from the National Institute of Child Health and Human Development.
Descriptors: Attention, Cognitive Development, Cognitive Processes, Discrimination Learning