102 CHAPTER 4
generalize to the population.
stratify the sample. select convenience samples.
identify the subjects used in the study
It is important to have a complete description of the sample to be
stratify the sample.
describe the population. generalize the results
select informative subjects.
Probability sampling is to systematic sampling
sampling is to
Systematic sampling is preferred when
. stratified sampling is not possible.
certain subjects need to be selected because of their position or special knowledge.
it is not possible to number all members of the population.
d. there is
in a list of the population.
6. A researcher decides to select a sample by taking simple random samples from three subgroups that have been identified from the
population. a. Proportional. b. Cluster. c. Convenience. d. Stratified.
of sampling was used?
In qualitative research the sampling procedure is most likely to be
If your subjects have volunteered to participate in your study, what will you need to be careful about so that the research is credible?
Sample size that is inadequate.