The Factorial Representation of Mental Ability and Academic Achievement

Alexander, W.P. "Intelligence, Concrete and Abstract." British Journal of Psychology, Monograph Supplements, VI (1935), No. 19.

Burt, C. "The Relations of Educational Abilities." British Journal of Educational Psychology, IX ( 1939), 45-71.

Carroll, J.B. "A Factor Analysis of Verbal Abilities." Psychometrika, VI (1941 ), 279-307.

Chein, I. "An Empirical Study of Verbal, Numerical, and Spatial Factors in Mental Organization." Psychological Record, III (1939), 71-94.

Coombs, C.H. "A Criterion for Significant Common Factor Variance ." Psychometrika, VI ( 1941), 267-272.

Crawford, A.B. "Some Observations on the Primary Mental Abilities Battery in Action." School and Society, LI (1940), 585-592.

Ellison, M.L. , and Edgerton, H.A. "The Thurstone Primary Mental Abilities Tests and College Marks." Educational and Psychological Measurement , I (1941), 399-406.

Holzinger, K.J. , and Swineford, F. "A Study in Factor Analysis: The Stability of a Bi-Factor Solution ." Supplementary Educational Monographs, No. 48. University of Chicago: 1939.

Kelley, T.L. Crossroads in the Mind of Man; A Study of Differentiable Mental Abilities . Stanford University, Calif.: Stanford Univ. Press, 1928.

McNemar, Q. "On the Number of Factors." Psychometrika, VII (1942), 9-18.

Ryans, D.G. "The First Step in Guidance: Self-Appraisal." Cooperative Test Service Publications in Measurement and Guidance, I ( 1941), No. 1.

Sisk, H.L. "A Multiple Factor Analysis of Mental Abilities in the Freshman Engineering Curriculum." Journal of Psychology, IX (1940) 165-177.

Smith, G.M. "Group Factors in Mental Tests Similar in Material or Structure." Archives of Psychology, XXIV (1933), No. 156.

Thurstone, L. L. The Vectors of Mind. Chicago: Univ. of Chicago Press, 1935.

Thurstone, L.L. "Experimental Study of Simple Structure ." Psychometrika, V ( 1940), 153-168.

Tucker, L.R. "The Role of Correlated Factors in Factor Analysis ." Psychometrika, V ( 1940), 141-152.