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Return to Approaches to Social Research 6e Student Resources
Chapter 06 True/False Quiz
Quiz Content
*
not completed
.
For extremely large populations, such as the U.S. population, a sample may describe the population more accurately than a census.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Constructing a sampling frame often amounts to finding an adequate list of all cases in the population.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
One advantage of probability sampling over nonprobability sampling is that it eliminates investigator bias in the selection of cases.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
To establish a confidence interval for a sample statistic, one must know the values of the sample statistic and population parameter.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
A stratified random sample always has a smaller margin of error than a simple random sample.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
One way of reducing sampling error in cluster sampling is to decrease the number of sampled clusters.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Nonprobability sampling of a target population may be necessary when it is impossible to construct a sampling frame.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Referral sampling if often used to study large, widely dispersed populations.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
The accuracy of most presidential election polls is the result of selecting extremely large samples of 20,000 or more voters.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
*
not completed
.
Sample accuracy is affected by both random sampling error and sample bias.
a) TRUE
correct
incorrect
b) FALSE
correct
incorrect
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