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Richards, James M., Jr. – 1987
Holland's (1973) theory classifies occupations in terms of similarity to six ideal types (Realistic, Investigative, Artistic, Social, Enterprising, and Conventional) by assigning each occupation a three-letter code. Holland codes were recently developed for all occupations in the "Dictionary of Occupational Titles." The code for some…
Descriptors: Classification, Demography, Occupational Information, Personality Traits