References
- Fulton , J. L. 1945 . A brief statement concerning the effectiveness of the Humm-Wadsworth Temperament Scale. Abstract . Psychol. Bull. , 42 : 539
- Harrell , T. W. 1949 . Humm-Wadsworth Temperament Scale and rating of salesmen . Person. Psychol , 2 : 491 – 495 .
- Humm , D. G. and Humm , K. A. 1949 . The Humm-Wadsworth Temperament Measures (Manual) , Los Angeles : Humm Personnel Service .
- Kelley , T. L. 1924 . Statistical Method , New York : Macmillan .
- Kelley , T. L. 1935 . An Unbiased Correlation Measure . Proc. Nat. Acad. Sci. , 21 : 554 – 559 .
- Viteles , M. S. Getting Results from a Program of Testing for Sales Ability , New York : Amer. Mgmt. Assn. . Marketing Series No. 45