Stroop Effect Test
This classic attention and focus test displays a color word (like “RED”, “BLUE”, “GREEN”, or “YELLOW”). Your task is to choose the font color, not the word’s meaning. In one session, you will be prompted for 10 words in succession. Try to be both accurate and fast.
The tool tracks your response time and accuracy. It displays your last and average response times.
Instructions: Click the button matching the COLOR of the ink (not the word itself). Speed and accuracy both matter!
Tip: If you find this difficult, that’s the Stroop effect in action — your brain is competing between reading the word and seeing the color.
Related Tool: Try our Reaction Time Test to see how fast you react to visual stimuli.