Visual analog scale is a -: (A) Pain scale, (B) Pressure scale, (C) Vision scale, (D) Auditory scale
Answer is A. Ans. is 'a' i.e., Pain scale Visual analog Scaleo The visual analogue scale or visual analog scale (VAS) is a psychometric response scale which can be used in questionnaires.o It is a measurement instrument for subjective characteristics or attitudes that cannot be directly measured,o When responding to a VAS item, respondents specify their level of agreement to a statement by indicating a position along a continuous line between two end-points,o VAS is the most common pain scale for quantification of severity of pain.