Professor Karney's target population consisted of several thousand people, so he decided to select a sample in such a way that each member of the target population had an equal chance of being selected.
Which of the following terms describes the method he used to select a sample?
a. self-selection
b. self-report
c. random sampling
d. target sampling
Question 2
Surveys conducted over the Internet _______.
a. can contain too many responses to be useful
b. are not used very often because they cost too much money
c. are used primarily by researchers who have degrees in computer science
d. can provide a large number of responses from a wide geographical area in a short amount of time
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