Warty growths on the genitalia are caused by __________

In many European nations, universities require students to declare a major ____

a. before they enroll b. after their freshman year c. after their sophomore year d. after their junior year

If you want to generate a nearly exhaustive list of the different approaches taken by various researchers in studying the same topic, you would

a. operationally define the terms you are interested in. b. create an extensive list of hypothetical constructs c. carry out a literature search of published research. d. attend conference presentations about the research you are interested in.