early assessment of career-related interest was attained by asking persons to estimate how they felt about an occupation or activity
Strong developed means of a strictly empirical procedure, making few psychological assumptions and developing his scoring formulas on the basis of correlations of responses with criteria.
Found expressed and inventoried interests about equally predictive of occupational entry
Definition of Interests relating to personality and motivation
Holland's Vocational Preference Inventory is based on psychological rationale that it is possible to categorize people into six types
The self-directed search yields a classification code wihich is used the the occupations finder to locate suitable occupations