The McGill Pain Questionnaire (MPQ) consists of 78 words, obtained from pain-patient interviews and the clinical literature, which describe distinctly different aspects of the experience of pain (Melzack, 1975). The words are categorized into three major classes:
Each class comprises several subclasses, which contain a group of words that are considered by most subjects to be qualitatively similar (Melzack and Torgerson, 1971).
The descriptor lists of.