Root Cause Analysis Techniques

Root Cause Analysis Technique	Description
Pareto Analysis	80% of the value from 20% of the effort
Five Whys	Ask, "Why did this happen?" five times to determine the cause
Fishbone (Ishikawa) diagrams	Visualisation tool focusing on causes
Failure Mode Effect Analysis	Systematically identify failures in components
Fault Trees	Applies Boolean logic to identify failures