The magical number 4 in short-term memory: A reconsideration of mental storage capacity

@article{Cowan2001TheMN,
  title={The magical number 4 in short-term memory: A reconsideration of mental storage capacity},
  author={N. Cowan},
  journal={Behavioral and Brain Sciences},
  year={2001},
  volume={24},
  pages={87 - 114}
}
  • N. Cowan
  • Published 2001
  • Psychology, Medicine
  • Behavioral and Brain Sciences
Miller (1956) summarized evidence that people can remember about seven chunks in short-term memory (STM) tasks. However, that number was meant more as a rough estimate and a rhetorical device than as a real capacity limit. Others have since suggested that there is a more precise capacity limit, but that it is only three to five chunks. The present target article brings together a wide variety of data on capacity limits suggesting that the smaller capacity limit is real. Capacity limits will be… Expand
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