PUBH 6035 Module 5 Quiz; Check Your Knowledge

1. Question: Selection bias is most likely to occur in which type of study 2. Question: Interviewer/recording bias can occur in 3. Question: If a subjects ’willingness to participate is related to both their exposure status and disease status, the resulting bias is known as: 4. Question: Non-differential misclassification tends to bias study results in which direction? 5. Question: Loss to follow-up bias is an important concern in which type of epidemiologic study? 6. Question: Which of the following is a method for controlling confounding in the analysis phase only of a study? 7. Question: An analytic method that simultaneously adjusts for several variables (confounders) is called: 8. Question: For a variable to be a confounder, it must be: 9. Question: A study design method to control confounding involving the selection of study subjects so that potential confounders are distribute did entically is called: 10. Question: Residual confounding can result from 11. Question: When chance, bias, and confounding have been ruled out as alternative explanations for an association, we may conclude that the association is causal. 12. Question: When the magnitude of the association between an exposure and disease is changed or modified by a third variable, this is known as: 13. Question: Effect modification is an arbitrary statistical phenomenon that should be controlled for and minimized in an analysis. 14. Question: In effect modification, it is possible to have a relative risk associated with both factors that is larger than the product of the relative risk associated with each factor alone. 15. Question: Effect modification is evaluated in stratified analyses through: