Week 2 terms to know

Question 1

Misclassification bias

Answer 1

Differential (unequal likelihood both groups misclassified, effects results) or non differential (equal chance all groups are misclassifiied, does not affect results)
Misclassification of participants variables when variables being measured.

Question 2

Selection bias

Answer 2

Participants have an unequal chance of being selected to participate. This may be due to socioeconomic reasons, or age etc. Proper randomization of sample of popualation is not achieved.

Question 3

Confounding

Answer 3

Associatino of exposure to a variable deeming outcome