An ovum can be fertilized only during the first 24 hours it leaves an ovary

According to Erikson, the most prominent psychological conflict of midlife involves

A) finding a way to let go of unrealistic goals. B) accepting the fact that life is half over. C) integrating personal goals with the welfare of the larger social world. D) taking pride in personal accomplishments and recognizing failures.

With a(n) ________, a researcher can determine which variables are related to each other and how they are associated

a. correlational design b. case study c. field study d. intervention study