“We have great news for you. Our project is delivering results already.” The team is all smiles when they give this update during the project meeting. The carefully prepared graphs unveil a remarkably shorter time for the whole process, from customer request to delivery of results. “We have applied a hypothesis test and the result is significant with a p-value of flat zero!”

They sound like they know what they are doing. When asked for the change in the process, they all give different answers. When asked what the root cause to have achieved this effect was, their smiles fade. “We actually only implemented some Quick Hits. They turned out to have a greater effect than we thought. Isn’t this a nice surprise?” They asked. Or, is it just a Hawthorne?…