The goal is to activate people's (not-necessarily-conscious) concern for their reputation.
The goal: make it so that there is no plausible disagreement over whether someone complied.
WIRED: wash your hands for as long as it takes to say the pledge of allegiance. Better! Either you said it or you didn't.
(Nm that no one will actually say it out loud--still feels more compelling.)
Sometimes they feel pedantic. (But I always think through whether I should do them.)
Nudgers, also check out: behavioralscientist.org/is-reputation-…