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18.Which of the following are advantages of using biophysiologic measures in nursing studies? Select all that apply.A)They are relatively accurate and preciseB)They effectively measure subjective experiences such as pain and fatigueC)They are objective, requiring minimal inferenceD)They are typically cost effective because they are available for clinical purposes19.Which of the following statements describes a population?20.Which of the following results from a sample size that is too small?Page 4
21.Which procedure describes a probability sampling method?22.Which statement regarding sampling error and sampling bias is accurate?A)Sampling bias may be defined as the difference between data obtained from a simple random sample and the data that would be obtained if an entire population were measured.B)Sampling bias occurs by chance.C)Sampling error and sampling bias are synonymous.D)Sampling error may be contained in sample data even when the most careful random sampling procedure has been used to obtain the sample.