Whose research regarding career choice and personality traits has been validated and used as the foundation for "job quizzes" that people take to see what occupations they might enjoy?a) Ginzberg
b) Vaillant
c) Wechsler
d) Holland
Psychologist John Holland is a researcher who worked on the Holland Occupational Themes, which is commonly known as the Holland Codes also on the model of career development.
