The Science Behind Planning Poker: Understanding the Theory That Makes It Work
Planning Poker has become the de facto estimation technique in agile teams. Like many agile practices, it elegantly packages theoretical concepts into a practical, easy-to-follow process. This post explores the hidden foundations of Planning Poker by combining three powerful ideas: measurement theory, research on cognitive anchoring effects, and the Delphi estimation technique. Understanding these underlying principles helps teams move beyond just following the process to truly mastering the art of collaborative estimation.