Is this a measure of intelligence?

No. Reaction time is a speed benchmark. It correlates with some cognitive constructs but is not an IQ test.

Why are my phone and desktop results different?

Touch and display input pipelines add different amounts of latency. We store device and input class so norms stay fair.

What counts as a false start?

Responding before the green signal appears. False starts are flagged and don't count toward your median.

반응 시간

How fast do you respond to a visual signal?

~2 min

측정값은 기기, 입력 방식, 화면 주사율, 운영체제, 환경에 따라 달라집니다. 실험실 수준의 정밀 측정이 아닙니다.

이 테스트가 측정하는 것

Reaction Time measures the time between a visual signal appearing and your response. It is a direct benchmark of your sensorimotor speed, not a psychological trait.

작동 방식

Wait for the panel to turn green, then respond as quickly as you can. You get 3 practice trials and 15 scored trials with randomized foreperiods to prevent anticipation.

결과 계산 방법

Your result is the median of 15 valid trials in milliseconds. Faster is better. False starts and tab-blur events are flagged and excluded from the median. Device and input latency affect results, so phone and desktop are not directly comparable.

정확도와 한계

Hardware latency, monitor refresh rate and browser backgrounding can all shift results. This is a utility benchmark (Evidence C), not a clinical measure.

자주 묻는 질문

Science & Research

All science

Reaction Time and Cognitive Performance

Reaction time — the milliseconds between a stimulus and your response — is one of the oldest and most reliable measures of cognitive processing speed. Over a century of research has linked it to intelligence, aging, sleep, and even longevity.

Read article

계속 탐색

시각 반응~2 min 청각 반응~2 min 시각 기억~7 min 완전 IQ 추정~30 min

최종 검토: 2026-08-14