Certain aspects of Holland's theory were studied to assess their applicability to nonprofessional workers. Results indicate that nonprofessional workers (1) tend to be congruent with their work environments and (2) tend to perceive groups of adjectives as self-descriptive which were consistent with their personal orientations. (Author)

The Vocational Preference Inventory (VPI) and the Self-Directed Search (SDS) were administered to 102 Black women workers in occupational environments consistent with Holland's six vocational environments. Four scales in each test successfully differentiated the occupational groups, supporting the concurrent validity of Holland's theory for…