In the 1950s, George Miller estimated the number of items that could be stored in short-term memory to be the magic number ________.
A) 5, plus or minus 4
B) 7, plus or minus 2
C) 9, plus or minus 3
D) 11, plus or minus 1

Question

In the 1950s, George Miller estimated the number of items that could be stored in short-term memory to be the magic number ________.
A) 5, plus or minus 4
B) 7, plus or minus 2 
C) 9, plus or minus 3 
D) 11, plus or minus 1

Quizplus · Accepted Answer

In the 1950s, George Miller estimated the number of items that could be stored in short-term memory to be 7, plus or minus 2. This is often referred to as the "magic number" and has since been supported by other research studies.

In the 1950s, George Miller Estimated the Number of Items