Seventeen-year-old sarah has always enjoyed science, particularly biology and chemistry. she dreams of enrolling in pre-veterinary medicine in college. her mother is a housewife who never had any vocational ambitions, and her father has always felt that women should focus on teaching or nursing careers. since her parents don't encourage her in the field of veterinary medicine, sarah eventually becomes ambivalent about her college plans and finally enrolls at a teacher's college. sarah's situation is an example of