What is it about?
The development of an approach to by-eye comparisons of visually presented data that reduces the variability between individuals due to a lack of benchmark/yardstick.
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Why is it important?
Wherever people are asked to compare data visually, they are frequently presented with a likert-like or arbitrary 10-point scale, with no guidance as to why a "3" is different to a "4", etc. This paper provides that guidance in a way that does not constrain the observers but encourages a group opinion to form.
Perspectives
Having tried to rely on visual assessments to verify the performance of data comparison techniques, the development of the chart in this paper was the crucial aspect that allowed the development of more robust numerical techniques.
Professor Alistair P Duffy
De Montfort University
Read the Original
This page is a summary of: A visual interpretation rating scale for validation of numerical models, COMPEL The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, December 2005, Emerald,
DOI: 10.1108/03321640510615472.
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