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 Specificity of a test means, all except - and explain in detail?
Specificity is the ability to identify correctly who do not have disease i.e., true negative.
The ability to identify correctly all those having a disease, i.e., true positive is known as sensitivity.
An ideal test should be 100% sensitive & 100% specific.