Screening test specificity – SPM MCQ

Screening test specificity is the ability of a test to correctly identify:
A. False positives
B. True positives
C. True negatives
D. False negatives

Correct answer : C. True negatives

• Specificity of a test is the ability to correctly identify True negatives. It is calculated as follows:
• Specificity = Number of true negatives / (Number of true negatives + Number of false positives )