Samuel Messick
| Samuel Messick | |
|---|---|
| Born | April 3, 1931 Philadelphia, Pennsylvania, U.S. | 
| Died | October 6, 1998 (aged 67) Philadelphia, Pennsylvania, U.S. | 
| Education | University of Pennsylvania Princeton University | 
| Occupation | Psychologist | 
| Awards | E. L. Thorndike Award (1993) | 
Samuel J. Messick III (April 3, 1931 – October 6, 1998) was an American psychologist who worked for the Educational Testing Service (ETS), known for his contributions to validity theory.