MENTAL MODEL · M7551

Signal vs. Noise

BusinessHigh supportManagement

Included

Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

37signals (formerly Basecamp before reverting to its original name) is an American web software company based in Chicago, Illinois. The firm was co-founded in 1999 by Jason Fried, Carlos Segura, and Ernest Kim as a web design company.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

anchor

Anchor fast decisions

Originating from information theory (Shannon): signal is the component that carries true information and reflects essential trends, while noise is random disturbance and error. As observation/data volume increases, the absolute amount of noise often grows faster than signal, causing the signal-to-noise ratio to decline. Distinguishing the two requires statistical methods (filtering, smoothing, long-term averaging) and domain knowledge.

MINIMUM ACTION

In progress 0/5

Practice this model in one real situation:

First ask "Is this signal or noise?"
Use a time dimension to smooth short-term fluctuations (look at long-term trends)
Improve signal-to-noise ratio—increase samples, deduplicate, cross-validate
Set a higher evidence threshold for decisions with low signal-to-noise ratio
Beware of mistaking noise for patterns (overfitting).

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
en.wikipedia.orghttps://en.wikipedia.org/wiki/37signalsZH · Explicit
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