The Magic Number of short-term memory is
A)fifteen plus or minus two.
B)nine plus or minus two.
C)seven plus or minus three.
D)seven plus or minus two.

Question

Quizplus · Accepted Answer

The Magic Number of short-term memory is seven plus or minus two, which means that individuals can usually remember between five and nine items. This concept was introduced by cognitive psychologist George Miller in 1956. Option A (fifteen plus or minus two) is too high and option B (nine plus or minus two) is slightly above the commonly accepted range. Option C (seven plus or minus three) is too wide and not precise enough.

The Magic Number of Short-Term Memory Is