Methodology on trial: The rhetorical function of toulminian warrants in expert testimony

摘要

This article combines an adaptation of the Toulmin model of argument with a framework designed to analyze assertions of technology-related expertise in order to examine how expert witnesses fulfill the legal requirements for explaining the methodology underlying their testimony within the combative and sometimes prejudicial conditions of the courtroom environment. Its findings support previous claims about contributions technical communication scholars can make to the legal field.