This study examined the prediction of different forms of adult aggression in 2 countries from
child and adolescent aggression. It was based on 2 longitudinal projects: the Jyväskylä …

The aim of this study was to investigate the stability of aggression from childhood to middle
age in women and men. The participants were drawn from the Finnish Jyväskylä …

The study was part of the Jyväskylä Longitudinal Study on Social Development. The
subjects (originally 173 females, 196 males) were studied at age 8, 14, 20, and 26. Stability …

The purpose of the present study was to examine whether indirect aggression was distinct
from physical aggression across developmental periods. Participants were 3,089 Canadian …

It has been proven extremely difficult in the past to estimate the prevalence of physical
aggression in children for two main reasons:(a) a heterogeneous sampling of behaviors (ie …

The present series of studies sought to confirm the hypothesis that simulated physical
proactive aggression would give rise to simulated physical reactive aggression, but the …

This reprinted article originally appeared in Developmental Psychology, 2000, 36 [4], 463–
472.(The following abstract of the original article appeared in record 2000-07944-005.) …

This study investigated both relational and physical aggression in preschool children,
explored potential differences in informant reporting and child sex on these subtypes, and …

This study examined the relationship between biological and social risk factors and
aggressive behavior patterns in an Australian high-risk sample of 370 adolescents …

We investigated the reliability and (convergent and discriminant) validity of an observational
measure of physical aggression in toddlers and preschoolers, originally developed by …