Biostatistics & Study Design USMLE Step 1 Practice Question
A 32 year old woman with stable generalized anxiety disorder completes the same validated anxiety inventory on Monday and again 1 week later before any treatment change. Investigators want to know whether the instrument yields similar scores over time when the underlying condition is unchanged. Which property are they assessing?
Answer choices
- AContent validity
- BTest retest reliabilityCorrect answer
- CSensitivity
- DCriterion validity
- EPower
- FInterrater reliability
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