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magical number
magical number In this context, the magical number is the apparent limit on how many items or chunks working memory can hold in sequence at one time, often discussed as about seven or about four.
In this context, the magical number is the apparent limit on how many items or chunks working memory can hold in sequence at one time, often discussed as about seven or about four. The article links these limits to how working memory stores ordered items and how learning groups them into larger chunks.