Typically, __________ research designs are more convenient and efficient relative to __________ designs

All of the following are common sources of infertility except _______

a. low sperm count b. age of mother c. a history of having twins d. damage to the mother’s reproductive organs

Which is a more effective coping strategy for stressors perceived as uncontrollable?

a. Problem focused b. Situation focused c. Emotion focused d. Stress focused