Operationally defining "bullying".
Greif
Jennifer L
JL
Furlong
Michael J
MJ
Morrison
Gale
G
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*