T1 L18: Randomised control trials Flashcards
1
Q
What is attrition bias?
A
Participants dropping out of the study
2
Q
What is publication bias?
A
Trials that don’t find between-group differences are less likely to be published
3
Q
What is performance bias?
A
Participants can change their responses or behaviour if they know which group they are allocated in
4
Q
What is clinical equipoise?
A
genuine uncertainty in the expert medical community over whether one treatment will be more beneficial
