OpenStudy (samara8954):
Dr. Shepard is testing a new drug to treat arthritis symptoms. He uses a sample group of 1,000 arthritis sufferers, and has them each take the drug when experiencing symptoms, such as swelling, pain, and redness of the joints. Of this sample group, 839 report that their arthritic symptoms seem to subside after taking the drug. From this data, Dr. Shepard concludes that the drug is effective. Is his conclusion scientifically valid? Yes, because 83.9% is a significant majority. No, because he did not use arthritis sufferers in his experiment. Yes, because the arthritis
OpenStudy (samara8954):
Yes, because 83.9% is a significant majority. No, because he did not use arthritis sufferers in his experiment. Yes, because the arthritis symptoms subsided. No, because there was no control group in his experiment.
OpenStudy (samara8954):
the answer was D
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