How can the nurse researcher know that a sample is representative of a population?
A) The sample is homogeneous.
B) All units of a population are included.
C) The most readily accessible persons are used as subjects.
D) The characteristics of the sample closely approximate those of the population.

Question

Quizplus · Accepted Answer

Correct D: The foremost criterion in evaluating a sample is its representativeness.
Incorrect A: A homogeneous sample is not the ultimate criterion for evaluating a sample.
Incorrect B: Population elements or unit inclusion is important but not the ultimate criterion.
Incorrect C: Ready subject accessibility does not constitute the most important evaluative criteria.

How Can the Nurse Researcher Know That a Sample Is