George Miller discovered that the average digit span is:
A)about 15.
B)exactly 3.
C)about 7.
D)more than 20.

Name: George Miller discovered that the average digit span is: A)about 15. B)exactly 3. C)about 7. D)more than 20.
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George Miller's famous paper "The Magical Number Seven, Plus or Minus Two" found that the average digit span (the amount of digits a person can remember in a particular order) is approximately 7.

George Miller Discovered That the Average Digit Span Is