Discussion
The capacity of short-term memory is assumed to be :
Answer: D
The capacity of short-term memory is 7 ± 2 items.
George Miller's 1956 paper 'The Magical Number Seven, Plus or Minus Two' showed that people can hold about five to nine chunks of information in immediate memory, a limit that chunking can stretch by packing more information into each unit. (Later research, such as Cowan's, puts the core capacity nearer four chunks.)
10 ± 2, 5 ± 2 and 6 ± 2 are not the classic estimate.
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