by Jack Crawford [Editor Note: This Opinion piece was originally published in Volume 37 Issue 3 of the Journal of System Safety) in 4Q 2001. The article has been reformatted, but the text is unchanged.] Probabilistic Risk Assessment (PRA), or Probabilistic Safety Assessment as it is called in the nuclear power industry, has been developed … Continue reading What’s Wrong with the Numbers? A Questioning Look at Probabilistic Risk Assessment