Social psychology has generated a wealth of empirically tested wisdom that can help policy makers
and the public address the threat of terrorism.
By understanding our propensities, among others, to “swarm and norm” in forming beliefs or take
cues from others in the face of emergencies, we can develop more effective strategies and
Additional studies offer insight about how we form social identity, why people resort to terror and
how we might diffuse long-standing historical grievances.