The Five Whys – Root Cause Determination

From Wikipedia: The 5 Whys is an iterative question-asking technique used to explore the cause-and-effect relationships underlying a particular problem. The primary goal of the technique is to determine the root cause of a defect or problem. (The “5” in the name derives from an empirical observation on the number of iterations typically required to resolve the problem.)

Fist to Five

All of us are used to the simplicity of answering “yes” or “no” in decision making. (Or a slight variation: thumbs up, thumbs down, or thumbs sideways.) The “Fist to Five” approach introduces an element of gradation – away from the simple binary to a more informative measure of confidence …