Understanding Violence Through an Ecological Lens

Societal

Colonial Administrative Legacies

Path-dependent imprints of colonial administrative styles predict modern civil violence patterns, demonstrating how historical institutions create durable conflict structures.

Kollmeyer, C. (2025). Colonial legacy and contemporary civil violence. Social Forces, 104(2), 640–661. DOI →

Societal

General Strain Theory

Violence emerges as a maladaptive response to negative stimuli when conventional coping mechanisms are blocked. Strain explains why structural conditions translate into individual aggression.

Agnew, R. (1992). Foundation for a general strain theory. Criminology, 30(1), 47–88. DOI →

Community

Temperature & Violence

+1.64% violence increase per +1°C

Meta-analysis confirms heat effects are specific to interpersonal violence with zero significant effect on property crimes.

Chauhan, V., et al. (2025). Rising temperatures and violence worldwide. Western J Emergency Med, 26(5), 1328–1337. DOI →

Community

Collective Efficacy

The combination of social trust and willingness to intervene for common good suppresses neighborhood violence independently of economic factors.

Lowenkamp, C. T., et al. (2003). Replicating Sampson and Groves. J Research in Crime & Delinquency, 40(4), 351–373. DOI →

Relational

Intergenerational Trauma Transmission

Maternal history of childhood adversities predicts negative parenting practices, establishing the mechanism for trauma transmission across generations.

Lotto, C. R., et al. (2023). Maternal history of childhood adversities and parenting. Trauma, Violence, & Abuse, 24(2), 662–683. DOI →

Individual

Adverse Childhood Experiences

87% ACE prevalence in justice-involved youth

Meta-analysis demonstrates developmental trauma as the primary pathway to violence in youth populations.

Malvaso, C. G., et al. (2022). ACEs among justice-involved youth. Trauma, Violence, & Abuse, 23(5), 1677–1694. DOI →

Individual

Neuropsychiatric Risk Factors

Mental illness increases relative risk but absolute violence rates remain low. Co-occurring substance misuse dramatically increases absolute risk.

Witt, K., et al. (2013). Risk factors for violence in psychosis. PLoS ONE, 8(2), e55942. DOI →

Individual

Media Violence Effects

Meta-analysis of 2015–2022 publications confirms media violence exposure effects on aggression, with tests of replicability across studies.

Kim, E. L. (2024). Media violence and aggression: A meta-analysis. Doctoral dissertation, Iowa State University. View →