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Updating Span Test
Span Size (Items)
2 Items (Easier)
3 Items (Medium)
4 Items (Harder)
Total Sequences (5-15)
Items per Sequence
Item Duration (ms)
Watch numbers appear one by one. Remember the last
3
numbers that match the rule shown above. After the sequence, select your answers.
Press Space or click/tap to start
Select the last
3
matching numbers (in any order):
Submit Answer
Session Summary
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How to Use (click to expand)
Click the test area (or press
Space
) to begin.
A rule will be shown at the top (e.g., "Remember: EVEN numbers only").
Numbers (0-9) will appear one at a time.
Keep track of the last
N
numbers that match the rule (e.g., last 3 even numbers).
After the sequence ends, select your remembered numbers by clicking/tapping or pressing
Space/Enter
on each button.
You can also press number keys
0-9
directly to toggle selection.
Click
Submit Answer
when ready.
Press
Esc
to pause/resume during presentation (keyboard only).
Measures your ability to dynamically update working memory based on changing information.