Question: Determine whether the given description corresponds to an observational study or an experiment. In a study of 392 children with a particular disease, the subjects

Determine whether the given description corresponds to an observational study or an experiment.

In a study of

392

children

with a particular disease, the subjects

were injected with vitamins to

determine if the vitamins have an effect on the disease.

Does the given description correspond to an observational study or an experiment?

A.

The given description corresponds to

an experiment

.

B.

The given description corresponds to

an observational study

.

C.

The given description does not provide enough information to answer this question.

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