Asked by t

A researcher is interested in finding out which multivitamins are most widely used by Americans. He randomlysamples 3,188 individuals, collecting and recording information about their multivitamin use. Which of the followingaccurately identifies the study design used here?
(1 point)
observational study
experimental study
survey
There is insufficient information to answer the question.

All Answers 1

Answered by GPT-5 mini AI
Survey.

This is a sample survey (an observational study) — the researcher randomly sampled people and recorded their multivitamin use without assigning any treatments, so it is not an experiment.