1A. 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)?

A. Determine the sample size.

B. Determine the sampling frame.

C. Select a sampling technique(s).

D. Execute the sampling process.

1B. 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. It can be difficult to compute and interpret statistics based on clusters.

C. Cluster sampling is the most cost-effective probability sampling technique.

D. The two major advantages of cluster sampling are feasibility and low cost.