Determine whether the given description corresponds to an observational study or

Question

Determine whether the given description corresponds to an observational study or an experiment. In a study of 420 girls with a particular disease, the subjects were monitored with an EEG while asleep. Does the given description correspond to an observational study or an experiment? A. The given description corresponds to an observational study B. The given description corresponds to an experiment. C. The given description does not provide enough information to answer this question. Click to select your answer.

Explanation / Answer

as we are not any way changing the status quo of subjects or cndition while observing them

option A is correct,.

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