The nurse researcher hopes to be able to generalize study results to the population of the United States. What action should this researcher take regarding sample size?
1. Plan a sample size of 5,000 to 6,000.
2. Set the minimum sample size at 3,500.
3. Divide the study sample into subgroups.
4. Choose a homogenous study sample.
1
Rationale 1: Samples of 5,000 or 6,000 are often sufficient to estimate the characteristics of the entire population of the United States.
Rationale 2: The researcher should set a sample size minimum, but this one is probably too low to generalize to the entire United States.
Rationale 3: This would not be an effective way to ensure generalizability.
Rationale 4: The more homogeneous a sample is, the less generalizable the results are to a larger population.
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