FIGURE 3.
Participant confidence ratings in an Alzheimer's diagnosis by evaluation type. Participants were asked to rate their confidence from 0 to 100. Higher values indicate more confidence. “How confident would be with your medical evaluation (that is, how the doctor determined what is wrong with you) if the doctor told you that you had a diagnosis of Alzheimer's disease based on a [each ending]?”. (A) Clinical history interview and physical exam only. (B) Clinical history interview and physical exam and memory tests. (C) Clinical history interview and physical exam, memory tests, and blood tests. (D) Clinical history interview and physical exam, memory tests, and blood tests, and brain scan.