Sometimes introduced in English-speaking countries as “also known as the KJ method”.
This is one of Seven management and planning tools - Wikipedia
- Affinity Diagram (KJ method)
- Affinity diagrams are a special kind of brainstorming tool that organize large amount of disorganized data and information into groupings based on natural relationships.
 - It was created in the 1960s by the Japanese anthropologist Jiro Kawakita. It is also known as KJ diagram, after Jiro Kawakita. An affinity diagram is used when:
- You are confronted with many facts or ideas in apparent chaos.
 - Issues seem too large and complex to grasp.
 
 
 - Interrelationship diagram
 - Tree diagram
 - Prioritization matrix
 - Matrix diagram
 - Process decision program chart
 - Activity network diagram
 
Detailed information is unknown.
- According to Heverly, M.A., 1991. Total Quality Management: Institutional Research Applications.
- Brassard, M. (1989) The Memory Jogger Plus. GOAL/QPC: Methuen, Massachusetts.
 
 - I’ve ordered it and will continue when it arrives.
 
This page is auto-translated from [/nishio/Affinity Diagram](https://scrapbox.io/nishio/Affinity Diagram) using DeepL. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I’m very happy to spread my thought to non-Japanese readers.