B2.015 EBM in Practice: Assessing Study Validity Flashcards

1
Q

what is the hawthorne effect?

A

when people are observed, they act differently

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2
Q

what is medical surveillance bias?

A

exposure is a medical condition that leads to more frequent clinical encounters

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3
Q

what is berkson’s bias?

A

cases and/or controls selected from hospitals

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4
Q

what are clinically meaningful endpoints?

A

directly measure how a patient feels, functions, or survives

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5
Q

what are surrogate endpoints?

A

lab measure or physical signs intended to be used as a substitute for a clinically meaningful endpoint

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