Could Batman encourage more people to offer their seats on trains?

If you spot Batman on the train, he might be heading to a party, or he might be a psychological decoy, silently nudging you to give up your seat to someone who needs it — because nothing says “do the right thing” like being judged by a man in a rubber suit.It turns out that commuters are far more likely to relinquish their seat when Batman is in the carriage with them, and that the caped crusader’s effect on people’s behaviour can be quite substantial.
A study condu