Cattell, R. B.The Principal Invariant Personality Factors Established in Objective Tests. Urbana, Illinois : Laboratory of Personality Assessment and Group Behavior , 1953. (Mimeographed)
2.
Chapman, R. L.The Objective Measurement of Temperament. Unpublished Doctor's Dissertation, University of Chicago, 1950.
3.
DuBois, P. H. and Gleser, Goldine C.Object Aperture Test, Research Edition. St. Louis: Washington University, 1952.
4.
Gough, H. G.California Psychological Inventory . Berkeley: University of California Press, 1951.
5.
Hollingworth, H. S."Experimental Studies in Judgment."Archives of Psychology, XXIX (1913), 44-52.
6.
Holzman, P. S."The Relation of Assimilation Tendencies in Visual, Auditory, and Kinesthetic Time-Error to Cognitive Attitudes of Leveling and Sharpening."Journal of Personality, XX (1954), 375-394.
7.
Holzman, P. S. and Klein, G. A."Cognitive System-Principles of Leveling and Sharpening: Individual Differences in Assimilation Effects in Visual Time-Error."Journal of Psychology, LIV (1954), 105-122.
8.
Jeffreys, A. W.An Exploratory Study of Perceptual Attitudes. Unpublished Doctor's Dissertation, University of Houston, 1953.
9.
Klein, G. A."The Personal World through Perception." In R. R. Blake and G. V. Ramsey (Eds.), Perception: An Approach to Personality . New York: Ronald Press, 1951.
10.
Luchins, A. S."Mechanization in Problem Solving: The Effect of Einstellung."Psychological Monograph, LVI (1942). (Whole No. 248)
11.
Smith, G. J. W. and Klein, G. S."Cognitive Controls in Serial Behavior."Journal of Personality, XX (1953), 188-213.
12.
Thurstone, L. L.A Factorial Study of Perception. Chicago: University of Chicago Press, 1944.
13.
Witkin, H. A. and others. Personality through Perception. New York: Harper & Bros., 1954.
14.
Wulf, F.Ueber die Veraenderung Von Vorstellungen. Psychologische Forschung, I (1922), 333-373.
15.
"Technical Recommendations for Psychological Tests and Diagnostic Techniques."Psychological Bulletin Supplement. LI (1954), No. 2, Part 2, 2.