Fraternal twins account for 1 in every _____ births in the United States

The most widely used tools for assessing personality are

a. interviews c. objective tests b. direct observations d. projective tests

Which of the following are the most common types of malnutrition for children in developing nations?

a. lack of protein and lack of iron b. lack of calcium and lack of iron c. lack of potassium and lack of zinc d. lack of folic acid and lack of fat