Stroop Test
A coloured word appears. Tap the button that matches the ink colour — not the word it spells. Your brain will fight you on this.
Example — tap the ink colour:
RED
Answer: GREEN
📱 24 trials · ~30 seconds · mix of congruent & incongruent
⌨️ Keyboard: 1=Red · 2=Blue · 3=Green · 4=Yellow