Bob and Tim are 16-year-old twins who are contacted every three years and asked to complete a series of psychological tests. The type of research study they most likely are part of is called:

Nicole was fed soy formula during infancy. This may well be related to her developing ____

a. uterine fibroids later in life b. polycystic ovarian syndrome later in life c. vaginismus later in life d. dyspareunia later in life

Which of the following is NOT true of an adolescent mother who keeps her children?

A) ?She will be expelled from school. B) ?The decision is likely to have a negative impact on her education. C) ?The decision is likely to have a negative impact on her financial well-being. D) ?She is likely to be underemployed.