When researching a hidden populations, investigators typically cannot use
a. techniques to reduce impression management.
b. respondent-driven sampling.
c. chain-referral methods.
d. probability samples.
Question 2
It could be useful to know about undocumented workers and how they live, but such people are reluctant to participate in anything they think might be associated with the government. These immigrants constitute a
a. sampling frame.
b. chronically inaccessible, self-selected sample.
c. hidden population.
d. a nondifferentiated sample.
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Specimen collection techniques
Recent history of biochemistry shown by the introduction of new techniques. (part 1)
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