Using Expert Judgment for Risk Assessment

Christian E.H. Beaudrie, Milind Kandlikar, Gurumurthy Ramachandran

Research output: Chapter in Book/Report/Conference proceedingChapter


Emerging technologies yield many benefits for society; yet new technologies are inherently accompanied by significant uncertainty surrounding potential human and environmental health risks. Such uncertainty can make it difficult for risk managers to understand unintentional impacts and to mitigate impacts through regulation, prescriptions for safe use, or the redesign of products. In circumstances of high uncertainty, expert judgment can play a central role in risk analysis. This chapter explores the limitations of traditional risk assessment tools under high uncertainty, and provides guidance on utilizing expert judgment to better understand potential risks from emerging technologies. The case of emerging nanotechnologies is investigated in detail to demonstrate the value and challenges of utilizing expert judgment in characterizing nanoparticle behavior and potential health risks.

Original languageEnglish (US)
Title of host publicationAssessing Nanoparticle Risks to Human Health, Second Edition
Number of pages29
ISBN (Electronic)9780323353236
ISBN (Print)9780323354080
StatePublished - Jan 1 2016


  • emerging technologies
  • expert judgment
  • nanoparticle risks
  • Risk assessment

ASJC Scopus subject areas

  • Engineering(all)


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