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The Super Mario Effect: Punishment isn't Free
Mark Rober, a former NASA engineer, ran an experiment on 50,000 people. He gave them all the same coding puzzle but he split up the people into two groups. When Group One failed they saw the message, "That didn't work. Please try again." Group Two saw, "That didn't work. You lost 5 points. You now have 195 points. Please try again." The no-penalty group had a 68% success rate and the group averaged 2.5 more attempts before completing the puzzle than the other group. The group

Mac Davis
3 min read


Retention Isn't a Perks Problem
Are you battling a retention issue? Most retention plans treat the symptom. A pay bump, extra PTO, an exit interview nobody reads. None of it holds for long, because none of it touches the actual mechanism: how the job feels. Fix the motivational framework and retention takes care of itself. Here's the model I use to diagnose it: Octalysis, developed by Yu-kai Chou. It maps eight "core drives" behind human motivation: Epic Meaning, Development & Accomplishment, Empowerment/C

Mac Davis
2 min read


Shared Accountability Is Not Shared Blame
“Shared accountability" is one of the most misused phrases in manufacturing leadership. Most of what gets called shared accountability is actually shared blame. They are not the same thing. Blame is divisible. Accountability is not. If you're assigning percentages: 50% operator, 50% supervisor, that's blame. You're dividing a fixed quantity of fault until it adds up to 100%. Accountability doesn't divide. When something goes wrong on the floor, the operator is 100% accountabl

Mac Davis
2 min read
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