Owing to the uncertainty concerning the concurrent validity of the SVIB and the KOIS, a test of accuracy of classification of men in the occupations common to both inventories was undertaken. The results suggest that neither show any less validity than had been shown in separate studies previously. (Author)

The processes by which Roe (1956) and Holland (1966) developed their structural representations of occupations are compared. Roe, using almost exclusively nonempirical means, formulated an eight-group circumplex, virtually identical to Holland's six-group hexagonal configuration that resulted from empirical research spanning 11 years. The…

Discusses a book published in 1468, Rodrigo Sanchez de Arevalo's "Mirror of Human Life," the earliest known comprehensive compilation of occupational descriptions. Describes the similarity of Sanchez's ideas about occupational choice and contemporary career counseling theory: informed choice; person-environment congruence; and the components of…