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Stroop Test
A color word such as RED appears in an ink color that may be different. Ignore what the word says and tap the color you actually see. Thirty rounds measure your focus, accuracy and average reaction time.
About the Stroop Test
The Stroop test is a classic psychology task. Reading is automatic, so when the word RED is printed in blue ink your brain reads the word before it can name the color. Suppressing that habit takes concentration, and the delay shows up in every answer.
Answer as quickly and accurately as you can. A wrong tap briefly flashes red before the next word appears. At the end you get the number of correct answers, your accuracy and your average reaction time per question.
About
The Stroop Test measures selective attention and inhibitory control by presenting color words printed in incongruent ink colors. You must ignore the written word and tap the button that matches the actual ink color you see, requiring your brain to suppress the automatic tendency to read the word.
This version consists of 30 rounds where words like "RED" appear in blue ink or "GREEN" appears in yellow ink. Each round records your response time and accuracy, creating a profile of how quickly you can override a dominant cognitive habit under time pressure.
The task engages the anterior cingulate cortex and prefrontal regions responsible for conflict monitoring and executive control. Faster, accurate responses indicate stronger top-down regulation of attention, while hesitation or errors reveal moments when automatic reading interferes with the intended color-naming response.
How your result is scored
Your result combines median reaction time for correct trials and total error count into a single performance index. Lower times with fewer errors produce a better score, reflecting efficient conflict resolution between the word meaning and ink color.
A high score suggests you can quickly inhibit the prepotent reading response and focus on the relevant visual feature. Consistently slow responses or many errors may indicate fatigue, distraction, or momentary lapses in executive control. This tool is a screening aid, not a medical diagnosis.
Tips to improve
- Focus on the ink hue, not the word shape.
- Take a slow breath before starting to settle attention.
- Use the same finger for each color button to build motor consistency.
- If you miss one, reset immediately; do not dwell on the error.
- Practice in short daily sessions rather than one long block.
Related
Frequently asked questions
- Why do I keep reading the word instead of naming the color?
- Reading is highly automated; the Stroop effect occurs because your brain processes the word faster than the ink color, creating conflict you must actively inhibit.
- Does a low score mean I have ADHD?
- No. This is a screening aid, not a medical diagnosis. Many factors influence performance, including fatigue, stress, and practice effects.
- Can I improve my score with practice?
- Yes. Repeated exposure strengthens inhibitory control and reduces interference, so scores typically improve over several sessions.
- What is the difference between reaction time and accuracy?
- Reaction time measures speed of correct responses; accuracy counts how often you choose the right color. Both matter for the final index.