Science Fair Project
Reaction Time: Light vs Sound
Are you faster at responding to something you see or something you hear? Complete 5 trials of each test and compare.
Tap to startTrial 1 of 5
Results
Light average–best: –
Sound average–best: –
| Trial | Light (ms) | Sound (ms) |
|---|
Method
Hypothesis: people react faster to sound than to light. A random delay of 1.5 to 4 seconds passes, then a stimulus appears. The timer starts at the stimulus and stops at your tap, measured with performance.now(). Tapping early cancels the trial. For best results use headphones, the same device, and the same volume for every participant.