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Why English XL and Brungraber Mark IIIB Testimony Fails Daubert — And Why ASTM F2508 Does Not Cure the Problem
Slip-and-fall litigation in the United States has developed a striking scientific divide. In courtroom after courtroom, defense experts rely on the English XL Variable Incidence Tribometer or the Brungraber Mark IIIB to generate a coefficient of friction and then testify that the floor “met industry standards.” The testimony is presented as scientific, objective, and dispositive.…
