期刊
SUICIDE AND LIFE-THREATENING BEHAVIOR
卷 48, 期 4, 页码 459-467出版社
WILEY
DOI: 10.1111/sltb.12366
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In line with previous research on suicide and social contagion, there has been widespread speculation that mass killingswhich often involve suicidal offendersare socially contagious for up to 14days. This study tested these claims by making comparisons (i) between observed chronological clusters of mass killings in the United States from 2006 to 2013 and clusters in 500 simulations containing 116,000 randomly generated dates, and then (ii) between observed mass killings receiving varying levels of public attention. No evidence of short-term contagion was found, although longer term copycat effects may exist. Further scholarly and policy implications are discussed.
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