Double Click Test
Click one button at your normal pace. The test flags repeated presses less than 80 ms apart.
Run the test with the same button throughout. An intentional double-click can also register as a short interval.
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How to use the Double Click Test
How do I check for an accidental double click?
Use the same button for the whole timed run and make separate clicks at your usual pace. Wait for the timer to finish, then look for unexpectedly short intervals.
What counts as a short interval?
Two consecutive presses of the same button count when they are more than 1 ms and less than 80 ms apart. Very fast intentional clicks can fall inside this range.
What should I do if the counter keeps increasing?
Repeat with normal pressure and compare another button or mouse. Consistent short intervals during separate, deliberate presses give you a clue to investigate the switch, connection or settings.