In 1939, Walter Shewhart introduced the concept of “plan-do-check-act” as a scientific process of acquiring knowledge. In the 1980s, Edwards Deming refined the cycle by changing “check” into a “study” process. The cycle is logical and is used to test information before moving to the next step. It can be applied to all types of learning and improvement. It can also be applied to improve your daily workflow. Here’s how…