Question 1

A subgroup of the elements of the population selected for participation in the study is a _ _.

Accepted Answer

A)  sampling frame 
B)  sampling unit 
C)  sample 
D)  judgmental sample

Question 2

The object that possesses the information sought by the researcher and about which inferences are to be made is a(n) _.

Accepted Answer

A)  target population 
B)  population 
C)  element 
D)  census

Question 3

Discuss the advantages of convenience samples and when it is appropriate to use them.

Accepted Answer

The answer of Discuss the advantages of convenience samples and...

Question 4

All of the following statements are limitations of simple random sampling except .

Accepted Answer

A)  simple random sampling may or may not result in a representative sample 
B)  it is often difficult to construct a sampling frame that will permit a simple random sample to be drawn 
C)  the sample results may be projected to the target population 
D)  simple random sampling often results in lower precision with larger standard errors than other probability sampling techniques

Question 5

Confidence intervals, which contain the true population value with a given level of certainty, can be calculated from nonprobability samples.

Accepted Answer

A) True 
 B)False

Question 6

It is not always possible to reduce nonsampling error sufficiently to compensate for sampling error.

Accepted Answer

A) True 
 B)False

Question 7

is a probability sampling technique that uses a two- step process to partition the population into subpopulations, or strata. Elements are selected from each stratum by a random procedure.

Accepted Answer

A)  Cluster sampling 
B)  Systematic sampling 
C)  Simple random sampling 
D)  Stratified sampling

Question 8

Which of the following conditions does not favor the use of a sample (Table 11.1 in the text)?

Accepted Answer

A)  The cost of nonsampling errors is high. 
B)  The cost of sampling errors is high. 
C)  There are budget and time limit constraints. 
D)  The population is large.

Question 9

Which statement is not true about judgmental sampling?

Accepted Answer

A)  It may be useful if broad population inferences are not required. 
B)  It does not allow direct generalizations to a specific population. 
C)  Each population element has a known and equal probability of selection. 
D)  An extension of the technique involves the use of quotas.

Question 10

Which of the following is not a form of nonprobability sampling?

Accepted Answer

A)  snowball sampling 
B)  convenience sampling 
C)  quota sampling 
D)  cluster sampling

Question 11

Which of the statements below is not true about stratified sampling?

Accepted Answer

A)  Stratified sampling can ensure that all the important subpopulations are represented in the sample. 
B)  The researcher assumes that the population elements are ordered in some respect. 
C)  Most approaches to statistical inference assume that the data have been collected by stratified sampling. 
D)  Both B and C are not true.

Question 12

If the researcher is concerned about the number of variables, the nature of the analysis, and completion rates, then, he/she is at which stage of the sampling design process (Figure 11.1 in the text)?

Accepted Answer

A)  Execute the sampling process. 
B)  Select (a) sampling technique(s). 
C)  Determine the sampling frame. 
D)  Determine the sample size.

Question 13

To avoid sampling errors, the Internet researcher must be able to control the pool from which respondents are selected.

Accepted Answer

A) True 
 B)False

Question 14

There are several basic questions involved in sampling design. "Should a sample be taken? If so, what process should be followed?" are two such questions. Which of the following questions is also involved in sampling design?

Accepted Answer

A)  How large should the sample be? 
B)  What kind of sample should be taken? 
C)  What can be done to control and adjust for nonresponse errors? 
D)  All of the above are correct.

Question 15

A common form of cluster sampling is area sampling, in which the clusters consist of geographic areas such as counties, housing tracts, or blocks.

Accepted Answer

A) True 
 B)False

Question 16

If the same sampling procedures are used in each country, the results should be comparable.

Accepted Answer

A) True 
 B)False

Question 17

Decisions concerning whether to use a Bayesian or traditional sampling approach, to sample with or without replacement, and to use nonprobability or probability sampling pertain to which step in the sampling design process (Figure 11.1 in the text)?

Accepted Answer

A)  Execute the sampling process. 
B)  Select (a) sampling technique(s). 
C)  Determine the sample size. 
D)  Determine the sampling frame.

Question 18

All of the following statements are true about snowball sampling except .

Accepted Answer

A)  snowball sampling results in relatively low sampling variance and costs 
B)  the major advantage of snowball sampling is that it substantially increases the likelihood of locating the desired characteristics in the population 
C)  snowball sampling can result in samples that are very large or spread over large geographic areas, thus increasing the time and cost of data collection 
D)  a major objective of snowball sampling is to estimate characteristics that are rare in the population

Question 19

Discuss the uses of nonprobability and probability sampling.

Accepted Answer

The answer of Discuss the uses of nonprobability and probability...

Question 20

The collection of elements or objects that possess the information sought by the researcher and about which inferences are to be made is a(n) .

Accepted Answer

A)  population 
B)  target population 
C)  census 
D)  element

Exam 11: Sampling: Design and

A subgroup of the elements of the population selected for participation in the study is a _ _.

The object that possesses the information sought by the researcher and about which inferences are to be made is a(n) _.

Discuss the advantages of convenience samples and when it is appropriate to use them.

All of the following statements are limitations of simple random sampling except .

Confidence intervals, which contain the true population value with a given level of certainty, can be calculated from nonprobability samples.

It is not always possible to reduce nonsampling error sufficiently to compensate for sampling error.

is a probability sampling technique that uses a two- step process to partition the population into subpopulations, or strata. Elements are selected from each stratum by a random procedure.

Which of the following conditions does not favor the use of a sample (Table 11.1 in the text) ?

Which statement is not true about judgmental sampling?

Which of the following is not a form of nonprobability sampling?

Which of the statements below is not true about stratified sampling?

If the researcher is concerned about the number of variables, the nature of the analysis, and completion rates, then, he/she is at which stage of the sampling design process (Figure 11.1 in the text) ?

To avoid sampling errors, the Internet researcher must be able to control the pool from which respondents are selected.

There are several basic questions involved in sampling design. "Should a sample be taken? If so, what process should be followed?" are two such questions. Which of the following questions is also involved in sampling design?

A common form of cluster sampling is area sampling, in which the clusters consist of geographic areas such as counties, housing tracts, or blocks.

If the same sampling procedures are used in each country, the results should be comparable.

Decisions concerning whether to use a Bayesian or traditional sampling approach, to sample with or without replacement, and to use nonprobability or probability sampling pertain to which step in the sampling design process (Figure 11.1 in the text) ?

All of the following statements are true about snowball sampling except .

Discuss the uses of nonprobability and probability sampling.

The collection of elements or objects that possess the information sought by the researcher and about which inferences are to be made is a(n) .