Biopsychologists are able to pinpoint areas in the brain responsible for thoughts, feelings, and actions using all of the following EXCEPT for the

Which of the following would be considered a good example of a representative sample of college students in the United States?

a. All the students from a particular rural college b. Every male student from three colleges in Texas c. A diverse population in both urban and rural college classrooms in several states d. Self-identified student volunteers who found your survey on the Internet

Researchers prefer to select participants who accurately represent the larger population that the researchers are interested in. This type of a group is called a _________ sample

a. double-blind b. cross-cultural c. volunteer d. representative