Telephone Numbers Are Exactly Seven Digits Long,likely Due to Recognition

question 200

Multiple Choice

Telephone numbers are exactly seven digits long,likely due to recognition of

• A)the limited duration and span of sensory memory.
• B)the capacity of both echoic and iconic memory being restricted to about seven digits.
• C)our short-term memory capacity being restrained to the magic number.
• D)serial transfer of information from short-term to long-term memory.

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