Collective behavior requires six conditions according to Neil Smesler: 1) structural conduciveness or surrounding conditions that enable a response, 2) structural strains like poverty that encourage collective effort, 3) a generalized belief about the situation, 4) precipitating factors to trigger a response, 5) mobilization of people to take action, and 6) failure of social controls to prevent the behavior. The 1983 radio dramatization of War of the Worlds caused mass hysteria as people who tuned in late mistook the fictional Martian invasion for real news reports and panicked without the context provided at the start.