<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A geriatric investigator is evaluating the consistency of Alzheimer dementia diagnoses based on clinical symptoms. Patients with known chart diagnoses of Alzheimer dementia were evaluated by multiple physicians during a fixed time interval. Each evaluator was blinded to the others assessments. The extent to which the diagnosis by one physician was replicated by another clinician examining the same patient is best described by which of the following terms?? A: Validity, B: Specificity, C: Predictive value, D: Precision, E: Sensitivity,  <response>: This question is asking about the consistency or reproducibility of Alzheimers dementia diagnoses made by different physicians examining the same patients. The term that best describes the extent to which one physicians diagnosis matches that of another physician examining the same patient is precision. Precision refers to the closeness of repeated measurements to each other. A high precision indicates that multiple measurements are very consistent with one another, even if they are not necessarily accurate. In this case, we are interested in the consistency of diagnoses, not their accuracy.Validity refers to how well a test measures what it is intended to measure. Specificity refers to the ability of a test to correctly identify patients without the disease. Predictive value refers to the probability that a positive or negative test reflects the true disease status. Sensitivity refers to the ability of a test to correctly identify patients with the disease. These terms do not directly address the consistency of diagnoses made independently by different physicians, which is what the question asks about.D: Precision 