Some people feel that certain groups of people have some underlying, biologically-based features that distinguish that group from other groups. These supposed distinguishing features are known as ________

Compare monozygotic twins to dizygotic twins

What will be an ideal response?

Halyna is a college sophomore who enjoys sun tanning. When is she most likely to begin to protect herself from the harmful effects of the sun?

a. When she is exposed to two-sided arguments about exposure to the sun. b. When she is warned about the risks to her appearance (e.g., wrinkling of her skin) from the sun. c. When she is warned about the risks to her health from the sun. d. All of these.