Root cause analysis is a systematic process for finding and identifying the root cause of a problem or event.

The 5-whys method/technique involves one asking “why?” five times in a row to identify the root cause of the problem.
Root cause analysis is a systematic process for finding and identifying the root cause of a problem or event.
The 5-whys method/technique involves one asking “why?” five times in a row to identify the root cause of the problem.