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Which of the following characteristics are relevant to selection bias?
Which of the following characteristics are relevant to selection bias?
A. Can be overcome by increasing sample size
B. May be reduced by ensuring high participation rates
C. Is a type of systematic error
D. Can be detected with an attrition analysis
E. Occurs when classifying participants with respect to exposures or outcomes
Which of the following characteristics are relevant to information bias?
A. Can be overcome by increasing sample size
B. May be reduced by ensuring high participation rates
C. Is a type of systematic error
D. Can be detected with an attrition analysis
E. Occurs when classifying participants with respect to exposures or outcomes
