This study was designed to identify the important clusters of occupational groups identifiable from an analysis of the dimensions accounting for similarity in profile shapes among a set of 28 new vocational interest measures. (Author)

A test of Holland's vocational theory across and within selected occupational groups demonstrated concurrent validity for three of the four groups investigated. Statistically significant coefficients of concordance indicated a degree of agreement among individuals in each of the occupational groups investigated. (Author)

Obtains a classification of occupations by interests based on an ordinal rather than on a nomial scale. The occupations in each field were found to be arranged in a hierarchical order. Two substructures, one comprising five and the other four fields of occupations, were established. (Author)