The Batman effect boosts kindness on public transport

Passengers were more likely to offer seats to a pregnant woman when Batman was present, a study finds.

Why it matters

  • Unexpected events can increase prosocial behavior.
  • Simple interventions may encourage kindness in public spaces.
  • Findings suggest how to design public spaces to foster cooperation.

By the numbers

  • 67.21% of passengers offered seats with Batman present.
  • 37.66% offered seats without Batman.
  • 44% of those who offered seats didn’t see Batman.

The big picture

  • Unexpected events disrupt routines, increasing awareness.
  • Public spaces could use such disruptions to promote kindness.

What they're saying

  • Some suggest Batman’s presence increased situational awareness.
  • Others note social contagion effects may play a role.

Caveats

  • Study conducted in Milan; cultural factors may limit generalizability.
  • Batman’s symbolic meaning might influence results.

What’s next

  • Future studies could test other unexpected figures or events.
  • Researchers could explore long-term effects in different contexts.