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Psychology & Behavior

Bystander Effect

Psychology & Behavior · John Darley / Bibb Latané

1 min read

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Overview

The more people present during an emergency, the less likely any individual is to act — diffusion of responsibility paralyses groups.

How to cite

Faster Than Normal. “Bystander Effect Mental Model.” fasterthannormal.co/mental-models/bystander-effect. Accessed 2026.

On this page

  • Overview