Rushton, J. P., Skuy, М., and Fridjhon, P. (2002). Jensen effects among African, Indian and white engineering university students in South Africa on Raven’s Standard Progressive Matrices.
Rushton, J. P., Skuy, М., and Fridjhon, P. (2003). Performance on Raven’s Advanced Progressive Matrices by African, Indian and white engineering university students in South Africa.
Rushton, J. P., Skuy, М., and Bons, T. A. (2004). Construct validity of Raven’s Advanced Progressive Matrices by African and Non-African engineering university students in South Africa.
Ryan, L. (1982).
Saco-Politt, C. (1989). Ecocultural context of developmental risk: birth in the high altitudes (Peru). In J. K. Nugent, B. L. Lester, and Т. B. Bra-zelton (Eds.).
Sadek, A. A. M. (1972). A Factor Analytic Study of Musical Abilities of Egyptian
Students Taking Music as a Special Subject. Ph.D. dissertation, University of London.
Sahin, N., and Duzen, E. (1994). Turkish standardisation of Raven’s SPM.
Salkind, N.J.,Kojima,H.,and Zelniker,T. (1978). Cognitive tempo in American, Japanese and Israeli children.
Sandiford, P. and Kerr, R. (1926). The intelligence of Chinese and Japanese children.
Scarr, S. (1981).
Scarr, S. (1981). Comments and replies. In S. Scarr.
Scarr, S. (1995). Inheritance, intelligence and achievement.
Scarr, S., Carparulo, B. K.,Ferdman, В. М., Tower, R. B., and Caplan, J. (1983).
Developmental status and school achievements of minority and non-minority children from birth to 18 years in a British Mid-lands town.
Scarr, S., and McCartney, K. (1983). How people make their own environments: a theory of genotype-environment effects.
Scarr, S., and Weinberg, R. A. (1976). IQ test performance of black children adopted by white families.
Scarr, S., and Weinberg, R. A. (1978). The influence of family background on intellectual attainment.
Scott, L. H. (1981). Measuring intelligence with the Goodenough Draw-a-Man test.
Scottish Council for Research in Education. (1933).
Scottish Council for Research in Education. (1949).
Seagrim, G. N., and Lendon, R. J. (1980).
Seshadri, S., and Gopaldas, T. (1989). Impact of iron supplementation on cognitive functions in preschool and school-aged children: the Indian experience.
Seyfort, В., Spreen, О., and Lahmer, V. (1980). A critical look at the WISC-R with native Indian children.
Sheldon, W. H. (1924). The intelligence of Mexican children.
Shigehisa, Т., and Lynn, R. (1991). Reaction times and intelligence in Japanese children.
Shockley, W. B. (1968). Proposed research to reduce racial aspects of the environment-heredity uncertainty.
Shockley, W. B. (1969). Human quality problems and research taboos.
Shockley, W. B. (1971). Hardy-Weinberg law generalized to estimate hybrid variance for Negro populations.
Shuey, A. M. (1966).