title: Operationally defining "bullying".
authors: Jennifer L
authors: JL
authors: Greif
authors: Michael J
authors: MJ
authors: Furlong
authors: Gale
authors: G
authors: Morrison
mesh_terms: D000293:Adolescent; D000374:Aggression / Q000145:classification*; D002648:Child; D006801:Humans; D013334:Students / Q000523:psychology*; D014481:United States; D014754:Violence / Q000517:prevention & control / Q000706:statistics & numerical data*