Thank you. This is very interesting.
Having been in high pressure nuclear power plants and alarms that do not indicate a clear problem....i recognize that confirmation bias occurs in high pressure or extreme situations that have grave results. In those situations, one must go with training....which is not always the answer.
FYI, there's an interesting blog post that outlines and organizes Wikipedia's list of 150 or so cognitive biases into a set of reasonably coherent groups. Many of these relate to safety decision making and are influences on people'e decision-making that safety cultures need to take into account. The blog posts identifies 4 basic problems that these biases present:
Problem 1: Too much information.
Problem 2: Not enough meaning.
Problem 3: Need to act fast.
Problem 4: What should we remember?
For those more graphically inclined, a infographic version of the groupings are included.
Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College
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