Determine whether the description corresponds to an observational study or an experiment. Sixty patients with hearing loss
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Question:
Determine whether the description corresponds to an observational study or an experiment. Sixty patients with hearing loss are divided into two groups. One group receives an experimental treatment, the other a placebo, After three months, hearing acuity is measured. Does the description correspond to an observational study or an experiment?
- Experiment
- Observational study
Related Book For
Elementary Statistics
ISBN: 978-0538733502
11th edition
Authors: Robert R. Johnson, Patricia J. Kuby
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