Research on self-efficacy shows that it is

A) partly a function of gender and age.
B) innate.
C) higher in women than men.
D) greatest in early childhood.

Which of the following statements about infertility in women and men is TRUE?

A) Women's fertility begins to decline in the late 20s.
B) Obesity is not related to fertility for males or females.
C) Male infertility is less frequent than female infertility.
D) The least common cause of infertility in women is the blockage of the fallopian tubes.