Impact of using Planned vs Completed

“Tell me how you measure me, and I will tell you how I will behave. If you measure me in an illogical way… do not complain about illogical behavior…” thoughtful words by Eli Goldratt from his book “The Haystack Syndrome.” [1]

The main reason I recall this a recent conversation about measuring the performance of the Scrum Team. The most common approach I observe nowadays is to measure plan to complete…