Clinical Journal of Pain · 2007 · 660 citations · 50 references
This study provides new evidence that trained observers can apply an algometer at a consistent rate and provide highly reliable measures of PPT in healthy humans, when PPT is calculated as the mean of 3 trials.
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A H BECKETT, M ROWLAND, P TURNER · The Lancet · 1965 · 16.9K citations
Sample size and optimal designs for reliability studies
Stephen D. Walter, Michael Eliasziw, Allan Donner · Statistics in Medicine · 1998 · 2.1K citations