Indicate if true or false
1. The best means of obtaining an unbiased sample of
subjects in a community is to select a
random sample of names from the telephone
directory.
2. Nonprobability sampling means there is no
probability that the subjects selected will constitute a
biased sample.
3. Researchers generally study samples rather
than populations.
4. A sampling frame is a listing of all elements of
a population.
Indicate the type of sampling method used for each
of the following examples in questions 5 through 10.
5. The clients in the hypertension clinics of two
local hospitals are studied.
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
6. A total of 20 nursing service administrators are
randomly selected from a random sample of
10 hospitals in the state.
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
7. To obtain mothers of children with cystic fibrosis, a
researcher contacted one such mother
who lived in her neighborhood and asked her
if she knew any other mothers of children with
cystic fibrosis.
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
8. Every fifth nurse is randomly selected from the
mailing list of the American Nurses Association.
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
9. To determine the frequency of the recording of
nursing diagnoses by nurses, a sample of 100
charts is randomly selected from all of the
patients’ charts during the previous year
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
10. The first 30 men and first 30 women who are
admitted to the hospital for abdominal surgery during the
time of the research study are
asked to participate.
A. Convenience
B. Cluster
C. Systematic random sampling
D. Quota sampling
E. Simple random sampling
F. Snowball sampling
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