Simple vs Choice Reaction Time

A simple reaction test uses one cue and one answer; a choice test adds options and usually takes longer. A lights-out drill is a simple visual start, so keep those scores apart from multi-button games.

Try a simple lights-out drill

Simple and choice reaction time

A simple reaction test uses one cue and one answer. You already know the response. You wait, then you go. A choice reaction test adds options. The cue can be one of several signals, and the correct answer depends on which signal appeared. That extra decision is why choice times are usually longer.

Use the bands below as examples only. Each one is marked ESTIMATE. They are not a medical result, and they are not a time this site guarantees.

  • Simple visual reaction: ESTIMATE 180–200 ms. A common lab example for one light and one response. A lights-out drill uses this kind of task. It is not a medical result.
  • Two-choice reaction: ESTIMATE 300–400 ms. A common lab example when there are two cues and two responses. The extra mapping usually adds time. It is not a score this site guarantees.

The gap in those examples is often more than a hundred milliseconds. A different phone, a slower screen, or a different number of buttons can move a score by as much as that gap. Read the ranges as a way to see the difference, not as a target to chase.

Why a lights-out start is simple

This drill uses five red lights. They turn on one by one, hold through a short random wait, then go out together. You react when the lights go out. That is one go cue. The response is one tap.

The five lights are the start sequence, not five choices. You do not pick among buttons, and you do not match a color to a key. Nothing in the drill asks you to decide which response fits the cue. The lights either stay on, or they go out.

A time from this drill is a simple visual start. Keep it apart from multi-button games, even when the number sits near a choice-test example. Line it up with other lights-out attempts on the same device.

Why choice times look slower

A choice time includes more than the wait for a cue. You identify which option appeared, then map it to the matching response. More options mean more of that mapping, so the clock usually runs longer than a simple start. How a lights-out start is timed is covered in how this tool measures a start.

How to compare fairly

Compare two times only when the task type matches and the device matches. device latency and reaction time explains why a different screen or touch delay can move the number.

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