Zener Vs Science

Based on “Zener Cards” that were once used to test ESP.

Guess 1 of 5 possible hidden shapes: ◯ 🞤 ⌇⌇⌇ 🔳 ☆

The app keeps score, session to session, so that it’s easy to see how probability always wins. With a large enough sample size, it will always average at 20%. No one is psychic.

You can reset the score if you want to, but this will make you susceptible to confirmation bias (the human tendency to only remember what reinforces existing beliefs). So, keep the score, and science will triumph!