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New Views On Statistical Significance Affect Expert Testimony

Law360 (May 23, 2019, 10:37 AM EDT) -- Statistical significance, a concept often invoked to help characterize the strength or weakness of scientific results, is a prominent feature in modern litigation. Cases requiring expert testimony on the issue of causation, for example, often involve analyses of statistical significance to support or attack (and potentially exclude) an expert’s causation conclusion.

However, some researchers now question whether statistical significance should be a driving force in scientific discourse, arguing that the concept is increasingly being used to justify unfounded conclusions and discount otherwise valuable research. This article aims to identify to legal professionals this recent scientific criticism and discuss the ways this...

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