B2.015 EBM in Practice: Assessing Study Validity Flashcards
1
Q
what is the hawthorne effect?
A
when people are observed, they act differently
2
Q
what is medical surveillance bias?
A
exposure is a medical condition that leads to more frequent clinical encounters
3
Q
what is berkson’s bias?
A
cases and/or controls selected from hospitals
4
Q
what are clinically meaningful endpoints?
A
directly measure how a patient feels, functions, or survives
5
Q
what are surrogate endpoints?
A
lab measure or physical signs intended to be used as a substitute for a clinically meaningful endpoint
