Anastasi, Anne. "Some Implications of Cultural Factors for Test Construction." Proceedings of the 1949 Conference on Testing Problems, Educational Testing Service, 1950 , 13-17.
2.
Cronbach, L. J. and Meehl, P. E. "Construct Validity in Psychological Tests." Psychological Bulletin, LII ( 1955 ), 281-302.
3.
Crowder, Norman A. "Intrinsically Programmed Teaching Devices." Proceedings of the 1959 Invitational Conference on Testing Problems, Educational Testing Service, 1960.
4.
Eells, D., Davis, A., Havighurst, R. J., Herrick, V. E. and Tyler, R.Intelligence and Cultural Differences. Chicago: University of Chicago Press, 1951.
5.
Guilford, J. P. "The Structure of Intellect ." Psychological Bulletin, LIII (1956), 267-293.
6.
Liverant, Shephard. "Intelligence: A Concept in Need of Re-examination." Journal of Consulting Psychology , XXIV (1960), 101-109.
7.
Spiker, C. C. and McCandless, B. R. "The Concept of Intelligence and the Philosophy of Science." Psychological Review, LXI (1954),255-266.