A researcher might choose to conduct her/his experiment several times to make sure that their results were not due to chance

Cattell identified groups of traits by using a statistical technique called ______

a. analysis of variance c. stepwise regression b. factor analysis d. scatter plotting

You are stuck on a desert island with a group of people after your three-hour cruise turned into a shipwreck. If you must help only one other person to survive, whom will you choose, according to the evolutionary theory of helping behavior??

a. ?The Professor, who is most fit b. ?Gilligan, your brother c. ?Maryann, who is the youngest d. ?Thurston, who has the most money