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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.

Answer :

Final answer:

The 'Magic Number of short-term memory' is seven plus or minus two. This implies that an average person can hold 5 to 9 bits of information in their short-term memory. This concept was proposed by George A. Miller in 1956.

Explanation:

The 'Magic Number of short-term memory' refers to the typical capacity of short-term memory, which according to George A. Miller's widely recognized theory, is seven plus or minus two bits of information. This theory, published in his 1956 paper, asserts that on average, the mind can hold 5 to 9 bits of information in short-term memory. These 'bits' might be digits, letters, words, or other units. For instance, when trying to memorize a phone number, people often break it down into chunks, which are within this 'magic number' range, making it easier to remember.

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