The meaning of the symbols of specificity seen in a dream.

A high rate of detection of “true negatives”, for example, the fraction of subjects who actually received bad care who are classified as recipients of bad care. For medical screening tests, the proportion of truly non-diseased persons who are so identified by the screening test. It is a measure of the probability of correctly identifying a non-diseased person with a screening test (synonymous with ‘true negative rate’).... specificity

An epidemiological term (see EPIDEMIOLOGY) describing the extent to which a SCREENING TEST for the presence of the precursors of disease – for example, pre-malignant cells in the cervix – throws up false positives. A speci?c test has few false positives.... specificity