What do ratings on unidimensional pain and emotion scales really mean What do ratings on unidimensional pain and emotion scales really mean? A Multidimensional Affect and Pain Survey (MAPS) analysis of cancer patient responses  Helena Knotkova, PhD, W Crawford Clark, PhD, Pavel Mokrejs, MD, Frantisek Padour, MD, John Kuhl, PhD  Journal of Pain and Symptom Management  Volume 28, Issue 1, Pages 19-27 (July 2004) DOI: 10.1016/j.jpainsymman.2003.11.003

Fig. 1 Examples from the Multidimensional Affect and Pain Survey (MAPS). Journal of Pain and Symptom Management 2004 28, 19-27DOI: (10.1016/j.jpainsymman.2003.11.003)