Which of the following is true about research based on a sample?
A. It involves a small number of members of a target population from which a researcher collects data.
B. It eliminates the need to identify a target population.
C. It involves selecting each member from a target population for observation.
D. It limits the generalizability of the research findings as probability sampling plans cannot measure sampling errors.
E. It is the best approach for small populations.
Answer: A
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