An Index of an Individual's Agreement with Group-Determined Item Difficulties

Cattell, R. B. rp and Other Coefficients of Pattern Similarity. Psychometrika, 1949 , 14, 279-298.

Cronbach, L. J. and Gleser, G. C. Assessing Similarity between Profiles. Psychological Bulletin, 1953, 456-473.

duMas, F. M. A Quick Method for Analyzing the Similarity of Profiles. Journal of Clinical Psychology , 1946, 2, 80-83.

Gaier, E. L. and Lee, M. C. Pattern Analysis: The Configural Approach to Predictive Measurement. Psychological Bulletin, 1953, 140-148.

Goedinghaus, C. H. A Study of the Relationship between Temperament and Academic Achievement. Master's thesis, Los Angeles, University of Southern California , 1954.

Guilford, J. P. Personality. New York; McGraw-Hill, 1959.

Hoffmann, B. The Tyranny of Testing. New York: Crowell-Collier, 1962 .

Jacobs, P. I. A Study of Large Score Changes on the Scholastic Aptitude Test. Research Bulletin, Princeton, New Jersey, Educational Testing Service, 1963. (Multilithed Report).

Myers, C. Item Analysis Procedures Applied to Persons. Unpublished manuscript, 1963.

Osgood, C. E. and Suci G. A Measure of Relation Determined by both Mean Difference and Profile Information. Psychological Bulletin, 1952, 49, 251-262.

Pearson, K. On the Coefficient of Racial Likeness . Biometrika, 1928, 18, 105-117.

Sax, G. Theoretically Derived Chance Scores and Their Normative Equivalents on a Selected Number of Standardized Tests . EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1962, 22, 573-576.

Stephenson, W. A Statistical Approach to Typology: The Study of Trait-Universes. Journal of Clinical Psychology , 1950, 6, 26-38.

Zubin. J. The Determination of Response Patterns in Personality Adjustment Inventories. Journal of Educational Psychology, 1937, 28, 401-413.