Which of the following procedures would be more likely to produce an unbiased sample for a survey?
a. conducting "man-on-the-street" interviews.
b. placing an advertisement in the paper for volunteer subjects.
c. producing a list of random phone numbers.
d. selecting every third name in the telephone book.
A
Sociology
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Current patterns observed in the mainstream media representations of older Americans are an example of __________.
A) replacement fertility B) societal graying C) demographic transition D) ageism
Sociology
Piagets findings were based primarily on a variety of child subjects from different backgrounds.
a. true b. false
Sociology
Third-generation jails are also known as ________ jails.
Fill in the blank(s) with the appropriate word(s).
Sociology
About what percentage of U.S. adults now complete high school?
a. 48 percent b. 68 percent c. 88 percent d. 100 percent
Sociology