Uncertainty in measurement and total error: different roads to the same quality destination?

What is it about?

The discussion regarding the use and benefits of uncertainty in measurement (measurement uncertainty, MU) or total error methods (TE) for measuring laboratory performance continues. The summary provided by this journal last year by members of the Task and Finish Group on Total Error (TFG-TE) of the EFLM put the arguments into clear perspective. The arguments both for and against were presented in a logical and scientific manner. Even though there is generally strong support for TE, some of the arguments proposed for its on-going support require further comment. In a recent article which focuses on the TFG-TE summary, several potentially confusing statements were again promulgated in order to further promote TE methods for assessing uncertainty in laboratory measurement.

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