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Not Enough Meaning

We simplify probabilities and numbers to make them easier to think about

The magical number 7 ± 2

Description

George A. Miller's observation that the number of objects an average human can hold in working memory is 7 ± 2.

The magical number 7 ± 2 in business decision

When designing a product menu or a list of options for customers, keeping the number of primary choices around 5-9 can enhance usability and reduce cognitive overload.

The magical number 7 ± 2 in personal life decision

You can remember roughly 7 items in a list without writing them down, but longer lists require mnemonic aids.