To assess reactions to a proposed tuition hike at her school,Ariana sent a questionnaire to every fifteenth person in the registrar's alphabetical listing of all currently enrolled students. Ariana is ensuring that her survey results are accurate by using

Question

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By selecting every fifteenth person in the registrar's alphabetical listing, Ariana is using random sampling to ensure that her survey results are representative of the entire population of currently enrolled students. Random assignment would be appropriate if Ariana were conducting an experiment, naturalistic observation would be appropriate if she were observing behavior in a natural setting, and replication would involve repeating the study to confirm the results.

To Assess Reactions to a Proposed Tuition Hike at Her