Perceptual Differences between Negro and White Adolescents of Similar Symbolic Brightness

Boger J. H. An experimental study of the effects of perceptual training on group IQ test scores. J. educ. Res., 1952, 46, 43–52.

Cattell R. B. Beloff H. Research origin and construction of the I.P.A.T. Junior Personality Quiz. J. consult. Psychol., 1953, 17, 436–442.

Clarke D. P. Stanford-Binet Scale L response patterns in matched racial groups. J. Negro Educ., 1941, 10, 230–238.

Davidson K. S. Gibby R. G. McNeil E. B. Segal S. J. Silverman H. A preliminary study of Negro and white differences on Form I of the Wechsler-Bellevue Scale. J. consult. Psychol., 1950, 14, 489–492.

De Stephens W. P. Are criminals morons? J. soc. Psychol., 1953, 38, 187–199.

Duke R. L. Hindsman E. Educational utilization of human talent: Note on a research project. Psychol. Rep., 1959, 5, 252.

Eagleson O. W. Comparative studies of white and Negro subjects in learning to discriminate visual magnitude. J. Psychol., 1937, 4, 167–197.

Franklin J. C. Discriminative value and patterns of the Wechsler-Bellevue scales in the examination of delinquent Negro boys. Educ. psychol. Measmt, 1945, 5, 71–85.

French J. W. , (Ed.) Manual for kit of selected tests for reference aptitude and achievement factors. Princeton, N.J.: Educational Testing Service, 1954.

Guilford J. P. Personality. New York: McGraw-Hill, 1959.

Hebb D. O. The organization of behavior. New York: Wiley, 1949.

Machover S. Cultural and racial variations in patterns of intellect. Teachers Coll. Contrib. to Educ., 1943, No. 875.

Phillips B. N. King F. J. McGuire C. Studies on anxiety: I. Anxiety and performance on psychometric tests varying in complexity. Child Develpm., 1959, 30, 253–259.

Piaget J. The psychology of intelligence. New York: Harcourt-Brace, 1947.

Street R. F. A Gestalt Completion Test. New York: Teachers Coll., Columbia Univer., 1931.

Tyler L. E. The psychology of human differences. New York: Appleton-Century-Crofts, 1956.

Vernon P. E. The structure of human abilities. London: Methuen, 1950.

Warner W. L. Meeker M. Ellis K. Social class in America. Chicago: Science Research Associates, 1949.