291

Seyfort, В., Spreen, О., and Lahmer, V. (1980). A critical look at the WISC-R with native Indian children. Alberta Journal of Educational Research, 16, 14-24.

Sheldon, W. H. (1924). The intelligence of Mexican children. School and Society, 19, 139-142.

Shigehisa, Т., and Lynn, R. (1991). Reaction times and intelligence in Japanese children. International Journal of Psychology, 26, 195-202.

Shockley, W. B. (1968). Proposed research to reduce racial aspects of the environment- heredity uncertainty. Science, 160, 443.

Shockley, W. B. (1969). Human quality problems and research taboos. New Concepts and Directions in Education, 28, 67-99.

Shockley, W. B. (1971). Hardy-Weinberg law generalized to estimate hybrid variance for Negro populations. Proceedings of the National Academy of Sciences, 68, 1390.

Shuey, A. M. (1966). The Testing of Negro Intelligence. New York: Social Science Press.

Sidles, C., and MacAvoy, J. (1987). Navajo adolescents’ scores on a primary language questionnaire and the Raven Progressive Matrices. Educational and Psychological Measurment, 47, 703-709.

Sijtsma, K., and Resing, W. С. M. (1991). Scalability of an intelligence test for different ethnic groups. In: N. Bleichrodt and P. J. D. Drenth (Eds.). Contemporary Issues in Cross-Cultural Psychology. Amsterdam: Swets and Zeitlinger.

Simeon, D. Т., and Gratham-McGregor, S. (1989). Effects of missing breakfast on the cognitive functions of school children of differing nutritional backgrounds. American Journal of Clinical Nutrition, 49, 646-653.

Simeon, D. Т., and Gratham-McGregor, S. (1990). Effects of nutritional deficiencies on intelligence and behavior. Nutrition Research Reviews, 3, 1-24.

Simmons, K. (1942). Cranial capacities by both plastic and water techniques with cranial linear measurements of the Reserve Collection: white and Negro. Human Biology, 14, 473-498.

Simoes, М. M. R. (1989). Un estudo exploratorio com о teste das matrizes progressivas de Raven para criancas. Proceedings of the Congress of Psychology, Lisbon.

Simon, J. A., Schreiber, G. B., Crawford, P. B., Frederick, М. М., and Sabry, Z. I. (1993). Income and racial patterns of dietary vitamin С intake among black and white girls. Public Health Reports, 108, 760-764.

Sinha, U. (1968). The use of Raven’s Progressive Matrices in India. Indian Educational Review, 3, 75-88.

Skandinaviska Testforlaget. (1970). Manual of the Swedish WISC. Stockholm: Skandinaviska Testforlaget.

Skuy, М., Gewer, A., Osrin, Y., Khunou, D., Fridjhon, P., and Rushton, J. P. (2002). Effects of mediated learning experiences on Raven’s matrices scores of African and non-African students in South Africa. Intelligence, 30, 221-232.

Skuy, М., Schutte, E., Fridjhon, P., and O’Carroll, S. (2001). Suitability of published neuropsychological test norms for urban African secondary school students in South Africa. Personality and Individual Differences, 30, 1413-1425.

Smith, C. L., and Beals, K. L. (1990). Cultural correlates with cranial capacity. American Anthropologist, 92, 193-200.