The researcher has decided to use simple random sampling and a table of random numbers to select participants for a study. What action is required prior to this selection?
1. Classify the participants according to identified characteristics.
2. Determine the sampling interval.
3. Choose a population and subpopulation of elements.
4. List all of the elements in the population.
4
Rationale 1: Classification of participants or elements takes place in stratified random selection.
Rationale 2: Sampling intervals are used in systematic random sampling, not simple random sampling.
Rationale 3: Choosing subpopulations is not part of simple random sampling.
Rationale 4: Simple random sampling requires that the numbers of elements be listed prior to selection occurring.
Global Rationale:
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