Prepare
None
Discover
- Cause and effect analysis
- Fishikawa
- Pareto analysis
- Problem trees
- Tree diagram
Define
- Cause and effect analysis
- Fishikawa
- Five Whys
- Problem trees
- Tree diagram
Develop
None
Deliver
None
Follow-up
None
Tools
- Define, Discover
Used to identify possible causes of a problem so they can be removed, ensuring the problem won’t happen again.
- Define, Discover
It is a visualisation tool that provides a structure for information gathered by cause and effect analysis.
- Define
Used to explore cause-and-effect relationships and to unearth underlying processes that are the root causes of a particular problem.
- Discover
Pareto analysis is based on the observation that the majority of a product's defects (80%) arise from a small number of causes (20%).
- Define, Discover
Tree diagrams present causes and effects as a hierarchy and provide an alternative way for gathering and presenting information to Fishikawa.