Running Lean: Iterate from Plan A to a Plan That Works (Lean (O'Reilly))

by Ash Maurya

In a pivot experiment, you attempt to validate parts of the business model hypotheses in order to find a plan that works. In an optimization experiment, you attempt to refine parts of the business model hypotheses in order to accelerate a working plan. The goal of the first is a course correction (or a pivot). The goal of the second is efficiency (or scale).