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"The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information" [1] is one of the most highly cited papers in psychology. [2] [3] [4] It was written by the cognitive psychologist George A. Miller of Harvard University's Department of Psychology and published in 1956 in Psychological Review.
In 1956, Miller put a number on that limit in the paper "The magical number seven, plus or minus two". He derived this number from tasks such as asking a person to repeat a set of digits, presenting a stimulus and a label and requiring recall of the label, or asking the person to quickly count things in a group.
The Miller's law used in psychology is the observation, also by George Armitage Miller, that the number of objects the average person can hold in working memory is about seven. [4] It was put forward in a 1956 edition of Psychological Review in a paper titled "The Magical Number Seven, Plus or Minus Two". [5] [6] [7]
George Armitage Miller discovered the short-term memory can only hold 7 (plus or minus two) things at once. [4] The information here is also stored for only 15–20 seconds. The information stored in the short-term memory can be committed to the long-term memory store.
A modality effect is present in chunking. That is, the mechanism used to convey the list of items to the individual affects how much "chunking" occurs. Experimentally, it has been found that auditory presentation results in a larger amount of grouping in the responses of individuals than visual presentation does. Previous literature, such as George Miller's The Magical Number Seven, Plus or ...
George Miller in Cannes, France, on May 22, 2022. Credit - Violette Franchi—The New York Times/Redux. G eorge Miller has spent more than 40 years swerving in and out of the post-apocalyptic ...
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George A. Miller suggested that the capacity of the short-term memory storage is about seven items plus or minus two, also known as the magic number 7, [2] but this number has been shown to be subject to numerous variability, including the size, similarity, and other properties of the chunks. [3]