2. Epidemiology

Bias And Confounding — Quiz

Test your understanding of bias and confounding with 5 practice questions.

Practice Questions

Question 1

Which of the following describes a systematic error in an epidemiological study that leads to an incorrect estimate of the true effect of an exposure on an outcome?

Question 2

What is the primary goal of strategies used to mitigate bias and confounding in epidemiologic studies?

Question 3

Which type of bias occurs when the probability of exposure ascertainment differs between cases and controls?

Question 4

What is a common method to control for confounding during the design phase of an epidemiological study?

Question 5

In a study examining the effect of a new diet on weight loss, if participants who adhere strictly to the diet are also more likely to engage in regular exercise, and exercise itself contributes to weight loss, what is the relationship of exercise to the diet-weight loss association?