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All tests

Private session

Test 01

Response observation

Reaction Time

Measures simple visual reaction speed over five rounds. Your score is the median, so a single slow blink won't skew the run.

Measures
Visual response latency
Typical time
About 1 min

Before you begin

  1. Wait for the surface to turn green.
  2. Click — or press Space — as fast as you can.
  3. Five rounds; the median is your score.

Press Space or Enter