The study design used in this scenario is an observational study. This is because the researcher is collecting data regarding multivitamin use from a sample of individuals without manipulating any variables or conducting an experiment. Instead, the researcher is simply observing and recording the information provided by the participants.
A researcher is interested in finding out which multivitamins are most widely used by Americans. He randomly samples 3,188 individuals, collecting and recording information about their multivitamin use. Which of the following accurately identifies the study design used here?(1 point) Responses observational study observational study survey survey There is insufficient information to answer the question. There is insufficient information to answer the question. experimental study
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