This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: PQLI, HDI, MDPI, BPL, Subject name: Social & Preventive Medicine
[{'content': 'Health indicator characteristics include all except:- \nSelect and explain. \nA. Validity, B. Reliability, C. Affordability, D. Feasibility', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Characteristics of ideal health indicator : Validity: actually measures what it is supposed to measure Reliability: Reproducible results if measured by different persons Objectivity: Independent of subjects perception Sensitivity: Sensitive to change in situations Specificity: Reflect changes only in the situations concerned with that indicator Feasibility: Practical possibility of obtaining the necessary data Relevancy: Contribution to understanding the phenomenon of interest', 'role': 'assistant'}]