Ernesto 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. Ernesto's new friend has just told him a clever story, and although he wants to laugh, Ernesto squelches that response. In fact, the next time someone laughs at the next table, Ernesto glares and snaps with the rest of his tablemates. What is driving Ernesto's behavior in this situation?
▸ Informational social influence
▸ Obedience
▸ Normative social influence
▸ Compliance