This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
The parameters of sensitivity and specificity are used for assessing- 
Select and explain. 
A. Criterion validity, B. Construct validity, C. Discriminant validity, D. Content validity
A: Criterion validity
Answer: A: Criterion validity 
Explanation: - validity refers to what extent the test accurately measures which it purpos to measure. - it has two components ; sensitivity specificity. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:138