Q 79

Cluster sampling and stratified sampling differ in all of the following ways except ________.
A)the number of subpopulations chosen
B)their objectives
C)classification of sampling techniques
D)with respect to homogeneity and heterogeneity

Q 80

Which statement is not true about cluster sampling?
A)The researcher may have to rely on intuition and logic to determine sample sizes for each cluster.
B)Cluster sampling is the most cost-effective probability sampling technique.
C)It can be difficult to compute and interpret statistics based on clusters.
D)The two major advantages of cluster sampling are feasibility and low cost.

Q 81

Which sampling technique can help the researcher estimate rare characteristics (Table 11.4 in the text)?
A)convenience sampling
B)quota sampling
C)judgmental sampling
D)snowball sampling