# Specificity How many of the negative things you call negative are actually negative? Ratio of [[True Negatives]] to [[False Positives]] ![](DE5E1F87-3416-4E64-B9B3-2A558EF6E978-8236-000132AF1B404027/350px-Sensitivity_and_specificity.svg.png) Related to [[Sensitivity]] <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Specificity) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Specificity)