At what age does vocational tendency begin?

The growth period takes place between the ages of 4-14 and concept occupation in children begins to form this period. Vocational choice is affected by students’ interests. This study aims expand age range short-sphere inventory using supervised learning algorithms. In research, Short Sphere Inventory derived from Holland’s theory used as material. includes 8th-grade, high school, university students. a machine learning-based analytical model has been developed that allows be expanded. As result, measurements were confirmed with predictive success was main conclusion made results research can applied 8th grades, 5th, 6th 7th grade.
 Keywords: Age; Hollands theory; learning; vocational personality.