According to ________________ psychology, we feel a strong obligation to reciprocate because social exchange has been a crucial component in individual and group survival

Which of the following is true regarding heredity and longevity and health?

A) Twin studies show that illness rates in siblings do not have a genetic component. B) Of those whose parents died before 78, 40% had a chronic illness at age 65. C) Of those whose oldest grandparent had lived past 90, only about 2% had a chronic illness at age 65. D) Identical twins are more similar in longevity than are fraternal twins.

For women with sexual dysfunctions in the context of marital relationship distress, which of the following has been found to improve many aspects of sexual functioning?

a) SSRI medications b) behavioral marital couple's therapy c) anti-anxiety medications d) psychoanalysis