The Uncertain Brake

A runaway trolley is heading toward five workers. Pulling the emergency brake has a 40% chance of stopping the runaway trolley completely, but a 60% chance of derailing it into a crowded station.

• 55% chose: Pull the brake (1797 people)
• 45% chose: Do nothing (1475 people)

3272 decisions from real people on Resonant. Figures refresh every night at midnight (UTC).

Articles on Classical Trolley Problems · All articles · Resonant · Human Decision Intelligence