The study is being followed up by repeating the questionnaires with the same cohort of children at 15 years old. (sciencedaily.com)
Studies that followed large cohorts of children over many years showed that persistent physical aggression increased the risk for later juvenile delinquency and adult violence. (child-encyclopedia.com)
He has a wonderful cohort of children around him who are loving and protective. (newyorkschooltalk.org)