NOTES

INTRODUCTION

1. Five Whys is a problem-solving method that encourages problem-solvers to explore beyond the most immediate apparent cause of a problem by asking what causes the apparent cause, what causes the secondary cause, etc, down to the 5th-level cause.

CHAPTER 1

1. Sir Arthur Conan Doyle, Sign of the Four (New York: Penguin Classics, October 2001), pg 16.

2. Lean and Six Sigma techniques are classic Business Improvement or Continuous Improvement techniques. A Fishbone Diagram is a cause and effect diagram that structures efforts to identify different types of potential causes of a problem.

3. The PackCorp scientific process was an early Process Improvement method, developed by PackCorp for internal use. It expanded upon early methods ...

Get Stop Guessing now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.