George A. Miller

Thinkers1920 to 2012Cognitive psychologist

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In Thinking Tools

Known for

A founder of cognitive psychology whose 1956 paper observed that people can hold about seven items in immediate memory and that the limit is set in chunks, meaningful units, not in bits, so recoding information into larger chunks extends what can be held.

Caveat: Later research puts working memory capacity lower, nearer four chunks, and Miller himself treated seven as a rough figure.

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