Fishbone diagram or Ishikawa diagram via 5 why’s
Why organizations should use it? Processed to explore all potential/real causes resulting in a defect (Fishbone diagram) and to identify the root cause of a problem and determine the relationship between different root causes (5 why’s).
How organizations should use it? By exploring causes along the 8 M’s and repeatedly asking why-questions till problem’s root cause is identified.
What is it for? Process dispersion analysis tool (Fishbone diagram) and root cause analysis technique (5 why’s).
Fishbone diagram steps are composed of:
- Identification of the problem
- Identification of the major factors part of the problem
- Identification of possible underlying causes
- Analysis of the diagram
