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Identifying bias and confounding in medical papers
Quiz
Question 1 / 8
13%
1
What is the main difference between bias and confounding?
A
Bias only occurs in observational studies, confounding only in trials
B
Bias is a systematic error, confounding is a third variable distorting the association
C
Bias affects the outcome, confounding affects the exposure
D
Bias is random, confounding is systematic
Astuce : réponds avec les touches
A
à
D