A researcher conducts a survey of patients seen in an inner-city ambulatory clinic to determine barriers to receiving health care. The target population includes African-American, Hispanic,
and Somali immigrant patients, as well as a variety of foreign-born students from a nearby university. The researcher chooses subjects from the African-American, Hispanic, and Somali immigrant populations to participate. This is which type of sampling?
a. Network
b. Purposive
c. Quota
d. Theoretical
Question 2
A researcher will conduct a qualitative study about partners of patients diagnosed with sexually transmitted diseases. This researcher will use which sampling technique to achieve the best representation of this population?
a. Accidental sampling
b. Cluster sampling
c. Network sampling
d. Simple random sampling
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