Lack of Randomization
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A major problem resulting from the lack of randomization in a cohort study is: the possibility that a factor that led to the exposure, rather than the exposure itself, might have caused the disease (correct answer).
Why is the following NOT considered a correct choice for the answer to the question? (The possibility that a smaller proportion of people in the study may have been exposed).
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Solution Summary
Regarding a multiple choice question about the major problem resulting from the lack of randomization in a cohort study, this solution explains why one answer is the correct answer (e.g., the possibility that a factor that led to the exposure, rather than the exposure itself, might have caused the disease), whereas the other answer is not the correct answer (e.g., the possibility that a smaller proportion of people in the study may have been exposed).
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1. A major problem resulting from the lack of randomization in a cohort study is the possibility that a factor that led to the exposure, rather than the exposure itself, might have caused the disease. Why is the following NOT considered a correct choice for the answer to the question? (The possibility that a smaller proportion of people in the study ...
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