
Psychologists studying how people get others to comply with requests have found that small, unsolicited acts of generosity reliably create a sense of obligation in the receiver, a mechanism researchers say works whether or not the giver is likable, and one that a separate line of research links to a specific, measurable manipulation tactic called charm
Most kindness is exactly what it looks like. But psychologists who study social influence have spent decades documenting a specific mechanism, one that ordinary generosity










