Creampuff - the psychology of the human bias was covered in both courses I took part in on Auditing and Investigations.
Interestingly, we concentrated a lot on what has become known as "Hindsight Bias", which was explained fully in the Columbia Disaster inquiry.
If anyone is interested look here
http://ergonomics.osu.edu/pdfs/Press%20Releases/Press%20Release%20Oct03-Creating%20Foresight.pdf