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The Gratitude Gap
People who write genuine thank-you notes consistently underestimate how good the note makes the recipient feel, and overestimate how awkward it will be. That double error is why most appreciation never gets sent.
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The Gut-Feel Penalty
Structured interviews predict job performance about twice as accurately as the free-flowing kind. The difference isn't the questions. It's whether every candidate answers the same ones.
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The Peltzman Effect at Work
Mandatory seatbelts cut driver deaths. They raised pedestrian deaths. Drivers drove faster when they felt safer. The same pattern runs through workplace safety programs.
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The Spotlight Effect
We think people noticed our slip. Mostly they didn't. Gilovich's research shows we overestimate how much others watch us by about twice the actual rate.
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The Pygmalion Effect
When teachers were told random students were "academic bloomers," those students posted 10-25 point IQ gains in a year. The same effect runs through your team, whether you know it or not.
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The Silence Tax
Your team is holding back. Not because they're afraid. Because they've decided it won't matter. Futility, not fear, is the top reason employees stay silent.
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The Planning Fallacy
Knowing you underestimate how long things take doesn't stop you from doing it. The only known fix isn't better planning. It's using someone else's past, not your own.
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The Thank-You Multiplier
Being thanked doubles how likely you are to help the next person who asks. The effect passes through strangers. It's not the words. It's what they signal.
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The Checklist Effect
When Atul Gawande introduced a simple surgical checklist, complications dropped 36% and deaths dropped 47%. The mechanism isn't information. It's forcing a pause in autopilot.
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The Cognitive Load Tax
Judges grant parole 65% of the time in the morning and nearly 0% by late afternoon. The same decision fatigue is draining your team's best thinking before lunch.
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The Temporal Discounting Trap
People consistently choose $100 today over $120 next month. The same bias explains why teams skip strategy for urgent busywork, and why quarterly goals beat annual ones.
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The Service Recovery Paradox
Customers who complain and get a great recovery become more loyal than customers who never had a problem. The same mechanism works inside organizations.