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)

Employing a larger sample and a more stringent statistical criterion, this study replicated an attempt by Grandy and Stahmann to test Holland's hypothesis that parents' personality types foster similar offspring personality development. An explanation is offered that fathers' personality types carry more weight in the development of offspring…

A longitudinal study of the maturing of 68 professional and managerial men provided adolescent and adult test, questionnaire, and interview data about their personalities and competence that were predictive of their vocational adaptation. (Author)