Causal Tree Analysis provides a means of analysing the critical human errors and technical failures that have contributed to an incident or accident in order to determine the root causes.  It is a graphical technique that is simple to perform and very flexible, allowing you to map out exactly what you think happened rather than being constrained to accident causation model.  The diagrams developed provide useful summaries to include in incident and accident reports that give people a good overview of the key issues.

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