Ercole has just transferred to a new high school. In the lunchroom he notices that any time someone laughs out loud at a classmate’s joke, all those seated at an adjacent table glare at the laugher and snap their fingers three times. Ercole’s new friend has just told him a clever story, and although he’s aching to laugh, Ercole squelches that response. In fact, the next time someone laughs at the next table, Ercole glares and snaps with the rest of his tablemates. What is driving Ercole’s behavior in this situation? Group of answer choices obedience informational social influence social facilitation normative social influence