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Choice Reaction Time Leaderboard

A colored circle appears - click the matching box. Demonstrates Hick's Law in action.

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Site Record
241ms
Global Average
380ms
Total Scores
1,620,000

All-Time Rankings

Lower is better

ms avg
Rank Player Location Score
#1
H
hick_beater GOLD
🇰🇷 Daejeon 241ms
#2
C
choice_god SILVER
🇯🇵 Tokyo 248ms
#3
M
multikey_x BRONZE
🇺🇸 Seattle 255ms
#4
D
decision_ace
🇩🇪 Munich 261ms
#5
C
choice_king
🇬🇧 London 267ms
#6
F
fast_pick
🇸🇬 Singapore 272ms
#7
C
choice_ninja
🇨🇳 Chengdu 276ms
#8
S
select_pro
🇦🇺 Melbourne 281ms
#9
R
rt4_champ
🇫🇷 Toulouse 285ms
#10
P
pick_fast
🇳🇱 Eindhoven 289ms

Showing 1–10

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Choice Reaction Time - Score Guide & Analysis

What is a good Choice Reaction Time score?

Level Score Range
Exceptional < 280ms
Excellent 280–340ms
Above Avg 340–420ms
Average 420–520ms
Below Avg 520–650ms
Slow > 650ms
🔬

Hick's Law (1952) states that RT = a + b × log₂(n), where n is the number of choices. Each doubling of choices adds ~150ms. Choice RT is used in driving safety research, aviation, and sports science to assess decision speed under uncertainty.

What does the Choice Reaction Time test measure?

Choice Reaction Time requires you to select the correct response from multiple options - unlike simple RT where there is only one response. It demonstrates Hick's Law: RT increases logarithmically with the number of choices. The test measures decision speed and response selection, not just motor speed.

How to improve your Choice Reaction Time score

  • → Before starting, study the stimulus-response mapping until it is automatic.
  • → Keep your fingers resting on the response keys to eliminate movement startup time.
  • → Reduce hand travel - use adjacent keys if possible to minimize the distance between responses.
  • → Your choice RT will always exceed your simple RT by 50–150ms due to decision overhead - this is normal.
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