You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The validity of a test is based upon all except and explain in detail?
The term validity refers to what extent the test accurately measures which it purpos to measure. Accuracy refers the closeness with which measured values agree with true values.Validity has two components - sensitivity and specificity.Sensitivity and specificity, together with predictive accuracy are inherent propeies of a screening test.Park 23e pg: 138