CB prevalence main study objective	No
Term Used	Cyberbullying
QRT Score (of 42 possible points)	27
Sample	11,408 middle and 5,790 high school students from a public school district (31 schools total) in Maryland assessed in Nov/Dec 2006
	Middle School	High School
	Age not reported; 50.1% female; 60.8% Caucasian, 19.4% African American, 4.5% Hispanic, 3.5% Asian, 11.8% Other	Age not reported; 49.9% female, 69.6% Caucasian, 14.7% African American, 4.0% Hispanic, 3.6% Asian, 7.8% Other
Assessment Tool	Modified version (not previously piloted or validated) of the Olweus Bully/Victim Questionnaire; 1-item: “within the last month, has someone repeatedly tried to hurt you or make you feel bad by emailing/e-messaging you or posting a blog about you on the internet (MySpace)”
CB criteria	“Yes” response
CB Prevalence	Middle School	High Schoo4
	Victim: 7.95%	11.14%