This article, published in December 2010, provides an overview of the LLT Lab’s methodology and then-current research.
This article, published in December 2010, provides an overview of the LLT Lab’s methodology and then-current research.
Vern Walker submitted a paper and gave a presentation at the Second International Conference on Quantitative Aspects of Justice and Fairness, held on 25-26 February 2011 in Fiesole, near Florence, Italy. The presentation, entitled “Empirically Quantifying Evidence Assessment in Legal Decisions,” reported some baseline results for the Vaccine/Injury Project.
In the case of Young v. United States, the federal District Court was required to apply California substantive law, and the California “Locality Rule” played an important role in deciding the case.
MAX is one of the four major logical connectives that we use in modeling the evidence assessment of a factfinder. It is a generalized form of the logical connective OR.
MIN is one of the four major logical connectives that we use in modeling the evidence assessment of a factfinder. It is a generalized form of the logical connective AND. But we have to use it very carefully.
The Casey decision by Special Master Sweeney illustrates an inference pattern that may incorporate policy considerations unique to Vaccine Act cases.

In modeling our decisions, we of course look for valid deductive patterns of reasoning, such as “Modus Tollens.”
The Casey decision by Special Master Sweeney illustrates reasoning from a “signature effect,” within prong 2 of the Althen test for causation in fact.
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