Howard will be spending 6 months living on the International Space Station. According to researchers who study extreme environments, what interpersonal factors will play an important role in his success or failure?

The IQ scores of monozygotic twins resemble each other most closely in what kind of family?

a. Prosperous families b. Impoverished families c. Families with left-handed parents d. Families with more than two children

A psychologist has finally decided to use deception in her research on cigarette smoking. Why?

a. If deception is not used, subjects may not be willing to participate. b. Prior research in this area has always used deception. c. She realizes that she is more likely to get financial support for her project. d. There are no other reasonable methods to conduct her research.