Global Mind Tests

Stroop Test

Measure selective attention, cognitive inhibition and interference control

Click to start
+
WORD

Choose the font color, ignore the word. This is the classic Stroop effect (color-word interference) used to probe attention and inhibitory control.

0/30
Trials
—
Accuracy
—
Score (pts)
—
Avg reaction (ms)

About the Stroop Test

The Stroop task is a color-word interference test that measures selective attention and inhibitory control (cognitive control). Your job is to ignore what the word says and report the ink color.

What it measures

  • Selective attention: focusing on the relevant feature (ink color).
  • Inhibition: resisting automatic word reading.
  • Speed–accuracy balance: stable responding under time pressure.

Methodology

  • Trials: 30 items per run (mixed congruent and incongruent).
  • Stimulus: a color word displayed in colored ink.
  • Response: choose the ink color via buttons or keys 1–4.
  • Timeout: if you do not respond within 3 seconds, the trial ends and the test continues.

Scoring

Points are computed mainly from accuracy, with a smaller bonus for faster correct responses. If you rush and guess, accuracy drops and the score falls.

Tips

  • Say the mapping aloud once: red/1, green/2, blue/3, yellow/4.
  • Prioritize accuracy first; then push speed.
  • Do 3–5 runs and compare your average score.

Try also

Reaction Time Test, Flanker Test, N-Back Test. Browse more in the blog.

Related reading

Average Reaction Time by Age

FAQ

Why is my score inconsistent?

Attention, fatigue, stress, and distractions can noticeably affect interference control. Compare averages across multiple runs rather than single attempts.

Does a faster device matter?

Yes, slightly. Input latency and rendering can affect response timing. For fair tracking, test on the same device and browser.

Is this an IQ test?

No. Stroop measures one narrow aspect of executive function (inhibitory control). It is not a diagnostic or a full cognitive assessment.

Can I improve my performance?

Most people improve by making fewer mistakes and reducing slow outliers with short practice sessions and good sleep.

Disclaimer: training/insight only; not a diagnostic instrument.