Faces pain scale
Short definition
A faces pain scale is a self-report pain tool in which the person points, in a row of drawn faces, to the one that matches the pain they feel, from no pain to the worst pain.
In plain language
It was designed for children, who are not yet comfortable with numbers, and is also used with adults who find the numeric scale difficult. The best known are the FPS-R, with six faces scored from 0 to 10, and the Wong-Baker scale. It is still self-report: people who cannot indicate their pain need an observational scale, such as the PAINAD.