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Please explain!! Researchers want to study the association between calcium intake and prostate
cancer risk. However, the researchers are using an existing data set from a study that assessed
diet by asking participants to fill out a short 20-item questionnaire. What threat to validity is
described in this scenario, if any? Nondifferential misclassification of outcome Nondifferential
misclassification of exposure Measurement bias
Solution
b. Nondifferential misclassification of exposure

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Please explain!! Researchers want to study the association b.pdf

  • 1. Please explain!! Researchers want to study the association between calcium intake and prostate cancer risk. However, the researchers are using an existing data set from a study that assessed diet by asking participants to fill out a short 20-item questionnaire. What threat to validity is described in this scenario, if any? Nondifferential misclassification of outcome Nondifferential misclassification of exposure Measurement bias Solution b. Nondifferential misclassification of exposure