On "ratio scales of sensory and affective verbal pain descriptors".
The cross-modality matching methods of Stevens [16] have been used by Gracely and his colleagues [4-6] to provide numerical values for "verbal pain descriptors." These numerical values, it is claimed, provide reliable, objective and valid ratio-level measurement of the sensory and affective dimensions of pain. Each of these claims is critically examined.
D000339:Affect; D006801:Humans; D007802:Language; D010146:Pain / Q000523:psychology*; D011601:Psychophysics; D012677:Sensation