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Biostatistics & Research · single question

In statistical testing, sensitivity measures:

  1. True positives in individuals WITH the disease (ability to correctly identify disease)
  2. True negatives without disease (= specificity)
  3. False positives
  4. False negatives
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Correct answer: A. True positives in individuals WITH the disease (ability to correctly identify disease)

  • A. Correct. Sensitivity is the test's ability to correctly identify those WITH the disease (true positive rate).
  • B. This describes specificity, not sensitivity.
  • C. False positive rate is a different metric, not the definition of sensitivity.
  • D. False negative rate relates inversely to sensitivity but is not the definition itself.

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