Biostatistics & Study Design USMLE Step 1 Practice Question
A dermatopathologist reviews 60 skin biopsy slides, classifying each as benign or malignant based on histologic features including cellular atypia and mitotic rate. Four weeks later, she re-examines the same slides in randomized order without accessing her original assessments. Her repeat classifications show 94% agreement with baseline ratings. Investigators seek to quantify the consistency of her repeated independent judgments using statistical analysis. Which property is being assessed?
Answer choices
- ASpecificity
- BInterrater reliability
- CConstruct validity
- DExternal validity
- EIntraobserver reliabilityCorrect answer
- FReproducibility
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