9 August 2019

The Conversation: Mass shootings aren’t growing more common – and evidence contradicts common stereotypes about the killers

Long-term studies of youth consistently find that violent games are not a risk factor for youth violence anywhere from one to eight years later. And no less than the U.S. Supreme Court declared in 2011 that scientific studies had failed to link violent games to serious aggression in kids.

A 2017 public policy statement by the American Psychological Association’s media psychology and technology division specifically recommended politicians should stop linking violent games to mass shootings. It’s time to lay this myth to rest. [...]

Most mass homicide perpetrators don’t proclaim any allegiance to a particular ideology at all. [...]

It’s also important to point out that the vast majority of people with mental illness do not commit violent crimes. For instance, in one study, about 15% of people with schizophrenia had committed violent crimes, as compared to 4% of a group of people without schizophrenia. Although this clearly identifies the increase in risk, it also highlights that the majority of people with schizophrenia had not committed violent crimes. It’s important not to stigmatize the mentally ill, which may reduce their incentive to seek treatment. [...]

To be sure, the U.S. has experienced many mass homicides. Even stability might be depressing given that rates of other violent crimes have declined precipitously in the U.S. over the past 25 years. Why mass homicides have stayed stagnant while other homicides have plummeted in frequency is a question worth asking.

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