How many items can your short-term memory hold? Most people think they can remember more than they actually can.
Step 1 of 3
Ready to test your memory?
You'll see a grid of 12 symbols for 10 seconds. Study them carefully. After the timer runs out, the grid will hide and you'll need to recall which symbols were shown.
The challenge
Psychologist George Miller discovered that short-term memory can hold about 7 items (plus or minus 2). Can you beat the average?
Memorize
Study these symbols
Time remaining10
Recall
Which symbols were in the grid?
Select the 12 symbols you remember seeing. Take your time.
Selected: 0 / 12
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