system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The parameters of sensitivity and specificity are used for assessing-
assistant
The correct answer is  - 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