Un QI plus faible est associé linéairement à une plus haute violence dans la population générale anglaise.
"Association between intelligence quotient and violence perpetration in the English general population", Cambridge University Press, 2018.
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/AF21CE0AEDE9FFB0BC44AA1D059CF735/S0033291718001939a.pdf/association_between_intelligence_quotient_and_violence_perpetration_in_the_english_general_population.pdf