Personal Factors Vector or Agent Factors Physical Environmental Factors Social Environmental Factors Policy Factors

  •  Neuroatypicality

  •  Perception of major loss

  •  Perception of victimization

  •  Need for identity consolidation

  •  Perceived prejudice

  •  Perceived injustice

  •  Perceived need to prove oneself to group

  •  Strong personal extremist in-group identity

  •  Frequent religious observance

  •  Perceived threat against the in-group

  •  Perceived social or religious requirement for extremist behaviors

  •  Historical reasons to distrust authorities

  •  Actual social prejudice

  •  Poor job prospects

  •  Poor marriage prospects

  •  Strong culture of antisocial punishment

  •  Historical disputes over territory/resources

  •  Inadequate defensive intelligence

  •  Strong extremist ingroup identity

  •  Groupthink denying risk and vulnerabilities

  •  Poor oversight and correction of police and jail brutality

  •  Political climate of disparaging minorities

  •  Failure of moderation of political rhetoric about the in-group by the out-groupa

  •  Dysfunctional immigration policies

  •  Discriminatory laws

  •  Unilateral actions by the out-group, especially those likely to be perceived as arrogant, culturally insensitive, or unjust

  •  Institutional failures to recognize connections between government policies and extremism

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