Visual Aid 1.4.4: 5 Why-questions

Visual Aid 1.4.4:  5 Why-questions

5 Why questions: 1.     Start with general question 2.     Follow up on the first answer for more specifications 3.     Follow up on the third answer for more specifications 4.     Follow up on the fourth answer for more specifications 5.     Follow up on the fifth answer for more specifications
Write the answers down for each question. Continue till the root cause of the problem is found.

Highlight that this tool can be used in any situation. Keep asking deeper and see whether you go to to bottom of the problem.