Common Source Bias
Treating multiple data points as independent when they came from one source.
"Three articles, one wire story."
What is Common Source Bias? Treating multiple data points as independent when they came from one source. Triangulation is fake if all sources upstream are the same.
Multiple reports 'confirming' a trend that all cite the same survey.
Triangulation is fake if all sources upstream are the same.
Trace every data point to its primary source.
Use the model. Pick the move.
Treating multiple data points as independent when they came from one source. You've just seen this: Multiple reports 'confirming' a trend that all cite the same survey. Which lever does the model recommend?
Pick a lever. There are no neutral ones — every incentive funds a behavior somewhere.
Pick a reaction to Common Source Bias
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 Common Source Bias 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 Common Source Bias most often show up unnoticed?
- Which metric, ritual, or contract clause quietly rewards Common Source Bias?
- If we removed every payoff for Common Source Bias, what behavior would replace it?
- Who benefits when Common Source Bias persists — and who pays the cost?
- People defend the status quo using the language of common source bias.
- 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 Common Source Bias through 3 lenses
Each layer of the Incentives OS reframes this concept with its own thinkers, vocabulary, and diagnostic question.
Do you actually know Common Source Bias?
Three quick questions. Result is saved into your review streak — come back when the term is due to lock it in.
Which best describes Common Source Bias?
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 Common Source Bias, 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.
Deriving general rules from specific examples; the leap from instance to concept.
The brain evolved to reason adaptively, not always truthfully, to reduce the cost of errors.
We solve problems by adding, even when subtracting would be better.
Assuming that if one option is true, another must be false, when both can be true.
Presuming a purposeful actor behind events that may have no actor at all.
What cannot be settled by experiment is not worth debating.
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.
Means-tested benefits that drop sharply at income thresholds penalize recipients for earning more.
Perceiving meaningful connections in unrelated things.
The mind can be socially influenced toward conclusions that bypass scrutiny.
Quantifying uncertainty in model outputs.
Incompetent employees are promoted to management to limit their workflow damage.
Doing something for an external reward.
Desire for conformity leads to irrational or dysfunctional decisions.
Doing something because the doing is the reward.
If P then Q. P. Therefore Q. The most basic valid inference move in formal logic.
Short focused intervals + breaks outperform marathon sessions.
Risk has known probabilities. Uncertainty doesn't.
Restating the strongest version of your opponent's argument before responding.