generated at
Five whys
5つのなぜ
causality
eight disciplines problem solving
Five Ws (information-gathering)
four causes
issue map
Issue tree
root cause analysis
Socratic method
why-because analysis
kawasima - /kawasima/Five whys
ebiken - /ebiken/Five whys
mrsekut-p - /mrsekut-p/The Five Whys

wikipedia Five whys
weblio Five whys
kotobank Five whys
jisho Five whys