Social & Preventive Medicine On a screening test, negative result is seen in 50% of non- diseased population and positive result in 10% healthy population. Calculate specificity: A 0.5 B 0.6 C 0.83 D 0.9 💡 Explanation On a screening test, negative result is seen in 50% of non- diseased population and positive result in 10% healthy population. Calculate specificity: ✓ Correct Answer: C. 0.83