Background: Numerical rating scales (NRS), and verbal rating scales (VRS) showed to be reliable and valid tools for subjective cancer pain measurement, but no one of them consistently proved to be ...

Few validated measures exist to quantify sleep disturbance among patients who have the chronic inflammatory skin condition prurigo nodularis. SD NRS scoring ranges from 0 (no sleep loss) to 10 (no ...

To (1) compare the severity of pain in persons with spinal cord injury (SCI) to national norms, (2) examine the association between pain and measures of (a) psychological functioning, (b) community ...

Market researchers and academics researching in the social sciences are mainly concerned with measuring attitudes, beliefs, perceptions and behaviours. As such, they are largely confined to using ...