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True or False
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1
On a graphic rating scale, respondents make a mark on a line representing a scale only the endpoints are labeled.
A)True
B)False
2
Mail surveys usually have high response rates.
A)True
B)False
3
Statistical theory allows researchers to infer what a population is like based on data obtained from a sample.
A)True
B)False
4
When researchers use probability sampling, they do not know the probability of any particular member of the population being chosen.
A)True
B)False
5
Nonprobability sampling techniques are quite arbitrary in that little effort is taken to ensure that a sample accurately represents the population.
A)True
B)False
6
Purposive sampling includes individuals who meet a criterion.
A)True
B)False
7
A sampling frame is the actual population from which a random sample will be drawn.
A)True
B)False
8
Generally, telephone surveys have lower response rates than mail surveys.
A)True
B)False
9
Research in psychology in which students in Introductory Psychology classes are surveyed uses probability sampling techniques to obtain participants.
A)True
B)False
10
Researchers use incentives, such as cash, to increase survey response rates.
A)True
B)False





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