Several aspects of Holland's theory of vocational choice are examined using freshman and senior Omnibus Personality Inventory (OPI) and freshman Scholastic Aptitude Test (SAT) data for 833 men. Generally, evidence in support of Holland's theory is based on relationships which have been well established and known for a long time. (Author)

The Omnibus Personality Inventory was administered to a group of students as freshmen, seniors, and alumni (five years after graduation). Respondents exhibited freshman-to-senior personality changes usually associated with college attendance. The orientation to intellectualism and the social-emotional maturation persisted in the years immediately…

This study explores personality differences between adult women students in an undergraduate college and women of the usual undergraduate age. Seven of the 18 California Personality Inventory (CPI) scale comparisons showed significant differences, and eight of the 14 Omnibus Personality Inventory (OPI) scale comparisons showed significant…