Basics of biostatistics.

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1) While discussing their findings, authors have ignored a main threat to the validity of their estimates of the exposure. Explain and discuss this error.

State the alternative study design must overcome this problem and also explain why?

Rate the study's internal validity; low, medium or high. Explain this systematically in relation with the data and other evidence presented within the paper. To whom the results may be generalised? Describe your answer in brief.

Reference no: EM1312304

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