"according to your text, it is not low socioeconomic status or poverty per se that influences aggressive behavior, but rather the that often accompany such stress."

socialization mediator

Explanation:

these are also factors that affects the behaviour of an individual in the long run. This factor, in turn, significantly predicted teacher‐rated externalizing problems and peer‐nominated aggression and accounted for over half of the total effect of socioeconomic status on these outcomes. These findings suggest that part of the effect of socioeconomic status on an individual's aggressive development may be mediated by some form of socializing experiences