Interactive experiment
Ellsberg's Ambiguity Test
A Probability Puzzle
Before You Start
Introduction
You are the owner of a snooker club. Unfortunately, as a result of the actions of a colour blind thief, you're in a bit of a pickle. You're about to hold a snooker tournament, and you're short of red balls. Happily, the owner of rival snooker club, Balls "R" Us, has indicated he might be willing to lend you the requisite number of red balls. Unhappily, the owner is evil genius, Professor Zach Coine, and he's making you play a game for them.

New on iPhone
Try Think Again
10 interactive philosophy experiments and 50 insight cards built from 133,000 plus responses.
Download on the App Store