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. 1978 Aug;37(4):382-4.
doi: 10.1136/ard.37.4.382.

The visual analogue scale in the assessment of grip strength

W W Downie, P A Leatham, V M Rhind, M E Pickup, V Wright

The visual analogue scale in the assessment of grip strength

W W Downie et al. Ann Rheum Dis. 1978 Aug.

Abstract

The accuracy of information derived from a visual analogue scale has been assessed by comparing the measured grip strength of 100 subjects against their estimate of grip strength scored on a visual analogue scale. There was relatively poor correlation between the measured and assessed values, suggesting that similar inaccuracies may occur when the scales are used to assess subjective phenomena.

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