John L. Holland's contributions to vocational psychology: A review and evaluation

John L. Holland pioneered in assessing the environments of colleges and uni versities and their influence on students. His research has been central in the development of knowledge about nonacademic accomplishments. His theory of vocational personalities and work environments revolutionized the deliv ery of vocational assistance worldwide. He made contributions to research o n originality and interpersonal competence. And he influenced our field thr ough his influence on other psychologists. Persistence, focus, horizon-scan ning, the interpretation of evidence in novel ways, revision of ideas based on evidence, an emphasis on the practical, generosity with colleagues, and intellectual tension are themes that characterize Holland's working style and explain his enormous influence. Much remains to be done to fully explor e and extend Holland's theoretical contributions in the areas of developmen t and socialization, personal and environmental change, assessment and infl uences of environments, and effects of vocational interventions. (C) 1999 A cademic Press.