An informant-based tool that attempts to measure pain in people with late-stage dementia.
Tool items:
1. Vocalization
2. Facial expression
3. Change in body language
4. Behavioral change
5. Physiological change
6. Physical change

Each item is leveled on a four-point scale for severity.

See reference for more information.

Abbey J. et al. The Abbey Pain Scale. A 1-minute numerical indicator for people with late-stage dementia. Int J Palliat Nurs 2004;10(1), 6-13.