AtlasAttentionStroop Test

Reaction and attention tasks

Take a Stroop test and see your interference in milliseconds

Forty-eight colour words in matching or clashing ink. Choose the ink colour; see accuracy and median response for each condition and the interference between them.

What this assessment measures

The Stroop task shows colour words printed in coloured ink and asks for the ink colour. When the word and the ink clash, most people slow down and err more; the difference between clashing and matching trials is the Stroop interference. This page reports both conditions and the difference on your device.

What this test reports

  • congruent accuracy
  • incongruent accuracy
  • congruent median
  • incongruent median
  • interference

How the task works

  1. A colour word appears in coloured ink; choose the ink colour with the buttons or keys 1 to 4.
  2. Half the words match their ink and half clash.
  3. Answer as quickly as you can while staying accurate.
  4. Forty-eight trials; each waits up to three seconds.

This task needs vision and a pointer or keyboard, and it measures response times. Times are measured on this device and browser and are reported as your own figures; they are not comparable across devices or with other people. If you use a screen reader or cannot respond quickly, the questionnaires and reasoning tests on this site are the accessible route.

Time
4 minutes
Length
48 trials
Result
device-local figures
Source
Original MyTestAtlas task; device-local figures, no norm
Material limit

This is the classic paradigm implemented in a browser, not a clinical or research administration: colours, timing and input methods differ from published versions, and the interference figure is comparable only with your own earlier runs on the same device.

This route calculates its result in this browser tab; answers and result text are not sent as analytics properties or written to browser storage. Response times stay in this tab as well.

Use the result

Why this route is different

Each condition is reported separately, with accuracy and median response, so a slow but accurate run and a fast but careless one look different rather than collapsing into one score.

A small next step

Repeat once after a short break and see whether the interference shrinks; practice at ignoring the word is exactly what the task exercises.

Source and method boundary

These items and their scoring are original to MyTestAtlas. The route is labelled as practice, reflection, or entertainment and has no clinical, IQ, hiring, or population-norm interpretation.

See the source manifest · Read the scoring method