Regression to the Mean
Extreme outcomes tend to be followed by more average ones.
"The best quarter is usually followed by an average one. Not because you got worse."
What is Regression to the Mean? Extreme outcomes tend to be followed by more average ones. Misattributing mean reversion to skill or intervention is common.
A star hire's second year is less stellar than their first.
Misattributing mean reversion to skill or intervention is common.
Expect reversion and distinguish it from real performance changes.
Use the model. Pick the move.
Extreme outcomes tend to be followed by more average ones. You've just seen this: A star hire's second year is less stellar than their first. Which lever does the model recommend?
Pick a lever. There are no neutral ones — every incentive funds a behavior somewhere.
Pick a reaction to Regression to the Mean
One tap. We'll point you at the most useful next surface based on how this hits.
The full taxonomy entry
Every concept in the Atlas uses the same structure — so Regression to the Mean can be compared, recombined, and cited like an element on a periodic table.
- Business
- Leadership
- Government
- Healthcare
- Education
- Sales
- Marketing
- AI
- Negotiation
- Media
- Public Policy
- Relationships
- Where in our org would Regression to the Mean most often show up unnoticed?
- Which metric, ritual, or contract clause quietly rewards Regression to the Mean?
- If we removed every payoff for Regression to the Mean, what behavior would replace it?
- Who benefits when Regression to the Mean persists — and who pays the cost?
- People defend the status quo using the language of regression to the mean.
- Decisions cluster around the easiest narrative rather than the strongest evidence.
- New data changes the slide deck but not the decision.
- Anyone naming the pattern is treated as the problem.
Every Atlas entry is a node in a knowledge graph. See the related rail below to follow the connections.
See Regression to the Mean through this lens
Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.
Do you actually know Regression to the Mean?
Three quick questions. Result is saved into your review streak — come back when the term is due to lock it in.
Which best describes Regression to the Mean?
Worked example, counter-example & concept map
On-demand AI analysis grounded in the Lab's research. Cached on your device after first run.
When you encounter Regression to the Mean, your prefrontal cortex has to do extra work to override the automatic response — and that override budget is finite.
Executive control, planning, impulse override, working memory, System 2. First thing to go offline under stress, fatigue, or low blood sugar. Why your 4pm decisions are worse than your 9am ones.
See Prefrontal in the Brain Atlas →Picked for you, from the Atlas
Ranked by shared learning paths, overlapping chips, and what you've saved.
Ignoring general statistics in favor of specific, vivid information.
Posterior = (likelihood × prior) / evidence.
Update beliefs in proportion to the strength of new evidence.
Start with a prior; update with new evidence.
Novices experiencing early success, often due to variance and small samples.
High-impact, hard-to-predict, retrospectively explainable events.
Send the card, not just the link
A pre-rendered social card with the title, eyebrow, and URL. Copy the link, post it anywhere, or download the SVG for slides.
More definitions to follow
Every term in the Atlas connects to a dozen others. Pick any of these and see where it takes you.
Humans need autonomy, competence, and relatedness.
Pick the option that wins on the single most important cue; ignore the rest.
How will I feel about this in 10 minutes / 10 months / 10 years?
n=1 generalized to n=everyone.
Using a fake identity to deceive someone, usually for gain or manipulation.
The same message in a different setting produces a different result.
Single-loop fixes the action. Double-loop questions the goal or model that produced it.
An act committed to look like it was done by someone else.
Intersection of what you're best at, passionate about, and economically viable in.
Keep it simple, stupid. Simplicity beats complexity in design and communication.
Deriving 'ought' from 'is.'
Sensing the highest future possibility and acting from it — the bottom of Scharmer's U.