19 April 2018
Barriers: how many do you really have?
When looking at barriers in a bowtie they appear to be sequential, i.e. if one barrier fails then the next one should come into play, but is this always the case? Are barriers sometimes ‘parallel’ rather than ‘sequential’? If so, what does this mean for how you interpret the information in the BowTie and how you rate barrier effectiveness? This blog provides food for thought regarding such issues.
