huntermcd2728 huntermcd2728
  • 16-01-2024
  • Biology
contestada

Determine whether the given description corresponds to an observational study or an experiment.
In a study of 368 students with a particular disease, the subjects were injected with vitamins to determine if the vitamins have an effect on the disease.
a) Observational study
b) Experiment
c) Interventional study
d) Retrospective analysis

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