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Quizzes

Quiz 4, Module Screening

4. Which is the best interpretation of the specificity of SussStat?

  1. The probability of obtaining a false negative if you truly do not have Susser Syndrome.
  2. Of those who never develop Susser Syndrome, the percent that tested negative on the SussStat essay.
  3. The probability that SussStat correctly categorized an individual as having Susser Syndrome.
Answer (a) — incorrect: It is the probability that SussStat correctly categorized an individual as having Susser Syndrome, or the probability of obtaining a true negative.
Answer (b) — correct: Specificity= TN / (TN + FP).
Answer (c) — incorrect: Specificity= TN / TN + FP.