What we must know in order to understand your risk assessment

摘要

When a risk assessment is presenting its findings as a range or distribution of possible values,we can usually at least partially see the effects of uncertainty.When risk estimates are presented as single values,we must know how uncertainty was handled in producing those values.This requires the author of the risk assessment to declare a level of conservatism used in his assessment.In earlier instalments of this column,we introduced the concept of pipeline risk assessment Essential Elements.This is a list of ingredients that arguably must be included in any pipeline risk assessment.In this column,we address the essential element we call'controlling the bias'.