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Amedical researcher is exploring treatments for a rare disease. since the disease is not common, she has only been able to locate five patients to participate in a research trial to determine the effectiveness of a new drug treatment. which statement best summarizes the limitations of this study? a) the research is probably not valid since the disease is rare. b) the study would be more valid if additional drugs and treatments could be included. c) since the study does not randomly assign patients to the treatments, it is invalid. d) the researcher will have less confidence in her conclusions due to the small sample size.
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Amedical researcher is exploring treatments for a rare disease. since the disease is not common, she...
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