This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Diagnostic accuracy of a test is determined by ? \nSelect and explain. \nA. Sensitivity, B. Specificity, C. Predictive value, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Predictive value", 'role': 'assistant'}]