Needs for Vocational Information Needs for Vocational Information Please Login to view this lesson. Login Page Back to the course VTE414: Vocational Guidance Lessons The Role of Theories in Vocational Guidance 07:21 Holland’s Personality Type of Theory of Vocational 09:31 Psychoanalytic or Impulse Theory 07:21 Relationship Between Vocational Education and Manpower Needs 06:19