How can a nurse researcher tell the difference between an accessible population and a target population?
a. The accessible population meets the inclusion criteria, and the target population meets the exclusion criteria.
b. The target population meets the inclusion criteria, and the accessible population meets the exclusion criteria.
c. The accessible population represents the entire set of cases the researcher wishes to study, and the target population represents that part of the accessible population that could feasibly be included in the study.
d. The target population represents the entire set of cases the researcher wishes to study, and the accessible population represents that part of the target population that could feasibly be included in the study.
ANS: D
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A Inclusion and exclusion criteria refer to subject characteristics, not components of the population.
B Inclusion and exclusion criteria refer to desirable and undesirable subject characteristics.
C The target population is the entire set of cases to be studied; the accessible population is the part of the population that can be studied.
D The target population is the entire set of cases the researcher wants to study; the accessible population meets population criteria and is available for study.
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