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In his article, Miller discussed a coincidence between the limits of one-dimensional absolute judgment and the limits of short-term memory. In a one-dimensional absolute-judgment task, a person is presented with a number of stimuli that vary on one dimension (e.g., 10 different tones varying only in pitch) and responds to each stimulus with a corresponding response (learned before).
Tufte emphasises that the experiment was about remembering nonsense data, and goes on to say that you can only reach the conclusion of "only 7 items belong on a list" if you don't read Miller's paper. This suggests that the current wiki-article's statement of "remarkable coincidences between the channel capacity of a number of human cognitive ...
Miller was born on February 3, 1920, in Charleston, West Virginia, the son of George E. Miller, a steel company executive [1] and Florence (née Armitage) Miller. [3] Soon after his birth, his parents divorced, and he lived with his mother during the Great Depression, attending public school and graduating from Charleston High School in 1937.
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]
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 ...
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Furthermore, the measurement was statistically far from any other measurements being carried on at the time. Fringe shifts of about 0.01 were being observed in many experiments, while Miller's 0.08 was not duplicated anywhere else, including Miller's own 1904 experiments with Morley, which showed a drift of only 0.015.