The American Medical Association’s Guides to the Evaluation of Disease and Injury Causation (Causation)1 is an important component of the AMA Guides library. This text delineates a type of evaluation that is distinctly different from a diagnostic evaluation, a treatment planning evaluation, a prognosis evaluation, or an impairment evaluation. It provides a protocol for determining whether a cli...

In practical applications, however, one is often confronted with the problem that the measurement errors which are quoted define a 68% confidence level interval around a Maximum Likelihood estimate, whereas one would need an unbiased estimator with its standard deviation in order to form a weighted average. In addition, one usually has to deal with statistical and systematic uncertainties, and ...