Vertical or horizontal visual analogue scales.
Vertical and horizontal visual analogue scales have been compared in the measurement of pain. There was a good correlation between the 2 scales, but the scores from horizontal scales tended to be slightly lower than those from vertical scales.
D006801:Humans; D008722:Methods; D010146:Pain / Q000175:diagnosis*; D012216:Rheumatic Diseases / Q000175:diagnosis