Exam 11: Sampling: Quantitative and Qualitative Approaches

You want to draw a representative sample of social workers employed in domestic violence programs.You have a list of all such programs,but not of their staff members.Your survey will involve face-to-face interviews,and your travel budget is limited to visiting 10 cities.What kind of sampling design would you use?

Cluster sampling is a useful sampling procedure for large populations that are geographically scattered.

Drawing a purposive judgmental sample

You want to examine the relationship between family size and family cohesion.You use as your sample all the students in this research methods class.What kind of sampling design are you using?

In qualitative inquiry,purposive sampling can be used to select deviant cases as well as representative cases.

A sampling interval of 5 was used to select a sample from a population of 1,000.How many elements are to be in the sample?

Probability sampling ensures that there will be no sampling error whatsoever.

Using probability sampling,each member of the population has an equal chance of being selected for the sample.

You are doing research on hospital personnel-orderlies,technicians,nurses,and doctors.You want to be sure you draw a sample that has cases in each of the personnel categories.You want to use probability sampling.An appropriate strategy would be

Quantitative studies and qualitative studies are equally likely to employ probability sampling procedures.

Snowball sampling is used when the members of a population are difficult to locate.

Telephone directories can be inadequate sampling frames.Suppose the population were defined as "all telephone subscribers in the directory's service area." What criticisms could you make of the telephone directory as a sampling frame?

Probability samples are advantageous to the researcher because

What is the basic logic of probability sampling? How do such concepts as homogeneity,heterogeneity,sampling bias,representativeness,and probability of selection fit into this logic?

The unit about which information is collected and which provides the basis of analysis is called the

Every kth element in a list is chosen for inclusion in the sample in

Which of the following statements is true about availability sampling in quantitative studies?

Quantitative studies should never use availability sampling because it is too risky to ever yield useful results.

Compare probability designs with nonprobability designs.Identify the kinds of sampling designs available within each of these major categories.Explain a situation in which it would be more appropriate to use probability sampling and one in which nonprobability sampling would be preferred.

Selecting a sample that the researcher believes will yield the most comprehensive understanding of a subject based on an intuitive "feel" for the subject is employing quota sampling.