Culture is another significant factor in understanding how these events occur. A great deal of research was conducted by Robert Helmreich, Ashleigh Merritt and others at the University of Texas in the 1990s and early 2000s. Today's CRM, Threat & Error Management and LOSA all arose out of work conducted at the University of Texas.
The following link is good reading for anyone interested in learning how culture influences safety in the cockpit:
http://aireform.com/wp-content/uploa...eich-et-al.pdf