This is note for myself.
“Risk factors for violence tend to occur in clusters. Violent game play may disproportionately affect children who lack protective factors such as a nurturing relationship with at least one adult […]”
Olson, 2004. Media Violence Research and Youth Violence Data: Why Do They Conflict? Academic Psychiatry, 28(2) , pp 144-150. DOI=10.1176/appi.ap.28.2.144