Because they are seen as a public good, it is not difficult to find people willing to locate landfills and other waste sites in their communities

The Hawthorne effect refers to the fact that

a. people act differently than normal in an artificial, laboratory setting. b. if people become involved in a research task, the task takes on experimental realism. c. extraneous variables can result in a reduction in external validity. d. people want to cooperate with a researcher and produce desirable results when being studied.

The Coming Culture Clash emphasizes the conflicts between

a. ideologies. c. economic competitors. b. civilizations. d. military superpowers.