The main problem with non-probability samples is that they
a. do not allow us to generalize to a population.
b. are far too expensive.
c. are much too large.
d. can only be assembled using the technique of cluster sampling.
ANSWER: a
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Using the developmental forces perspective, an older adult who is vague in answering questions because his generation was socialized not to disclose one's inner self to strangers is an example of
a. a sociocultural factor. b. a psychological factor. c. a biological factor. d. a life-cycle factor.
Which of the following employ micro- AND macro-level orientations?
A) ecological B) symbolic interaction C) feminist D) social exchange
Which technique would be used by researchers in studying the treatment of gender in elementary reader books?
a. Case studies b. An experiment c. A survey d. Content analysis
The sum of the cross-products of Z scores divided by the number of people in the study yields
A) the Pearson correlation coefficient. B) the proportionate reduction in error. C) Kendall’s tau coefficient. D) the raw scores.