Which statement correctly defines sensitivity and specificity?

• A. Sensitivity is the probability of a positive test in healthy individuals; Specificity is the probability of a negative test in diseased individuals.
• B. Sensitivity is the ability to correctly identify true cases; Specificity is the ability to correctly identify non-cases.
• C. Sensitivity measures the rate of false positives; Specificity measures the rate of false negatives.
• D. Sensitivity and specificity both measure the probability of disease in an individual.

Answer: (B)