Norris (2007) provided an excellent introduction to the literature on mass shootings. Our goal is to provide an update on this literature. Norris focused on individual, as well as broader community factors in examining responses to mass shootings. Our guide focuses solely on quantitative studies examining factors at the level of the individual that appear to be related to adjustment following a mass shooting.Source: National Center for PTSD
Our definition of a mass shooting involves an individual (with few exceptions, a male), acting alone and with generally personal rather than political motivation, entering a densely populated space and shooting as many people as possible. In addition, while not required in the definition, the shooter typically takes, his or her, own life. Our guide to the literature proceeds chronologically, with an emphasis on studies that use longitudinal data.
Download full pdf report