Test your ability to find signal in noise, calibrate your confidence, and spot real patterns versus illusions.
Watch 20 coin flips and decide if you see patterns. Spoiler: your brain lies.
A 95%-accurate test says positive. What are the real odds? Most people get this wrong.
Two scatter plots. One is pure noise, one has a real trend. Can you tell which is which?
Answer 10 questions and rate your confidence. Are you as right as you think you are?