Ybarra 13
|
USA |
Cross-sectional populational-based. Randomly selected phone numbers. Telephone survey |
Regular Internet urban users (i.e., at least six times in the previous six months). One young person and one caregiver |
N = 1,501. Age: 10-17 years. 47% girls and 53% boys.
|
82% |
(1) Whether the respondent felt worried or threatened because of someone else bothering or harassing him or her while online (yes/no) and (2) whether the respondent felt threatened or embarrassed because someone had posted or sent a message about the young person for other people to see (yes/no) |
Strong |
Ybarra et al. 16
|
USA |
Cross-sectional populational-based. Randomly selected phone numbers. Telephone survey |
Regular Internet urban users (i.e., at least six times in the previous six months). One youth and one caregiver |
N = 1,500. Age: 10-17 years. 51% girls and 49% boys |
45% |
(1) In the past year did you ever feel worried or threatened because someone was bothering or harassing you on-line? (2) In the past year did anyone ever use the Internet to threaten or embarrass you by posting or sending messages about you for other people to see? |
Strong |
Juvonen & Gross 15
|
USA |
Cross-sectional. Anonymous web-based survey |
Participants from 55 states recruited through a popular teen web site |
N = 1,454. Age: 12-17 years. 75% girls and 25% boys |
NI |
9 questions about aggressive behavior on the Internet |
Weak |
Hinduja & Patchin 21
|
USA |
Cross-sectional, randomized. Self-reported questionnaire |
36 middle schools from the largest school district of USA. Representative sample |
N = 1,963. 6th-8th grades. 48% girls and 52% boys |
96% |
14 questions: 9 questions about cybervictimization and 5 question about cyberbullying offending |
Moderate |
Sourander et al. 17
|
Finland |
Cross-sectional populational-based. Self-reported questionnaire |
Two cities in north and south of Finland. All children attending the seventh and ninth grade, except for children attending classes for the physically or mentally disabled |
N = 2,215. 7th-9th grades. 50% girls and 50% boys |
90.9% |
Two general questions about cyberbullying, defined as: “cyberbullying is when someone repeatedly makes fun of another person online or repeatedly picks on another person through e-mail or text messages or when someone posts something online about another person that they don’t like”: (1) During the past 6 months, how often have you been cyberbullied? (2) During the past 6 months, how often have you cyberbullied others |
Strong |
Wang et al. 19
|
USA |
Cross-sectional populational-based. Self reported questionnaire |
A U.S. nationally-representative sample of adolescents |
N = 7,313. 6th-10th grades. 42.3% girls and 56.7% boys |
NI |
Two questions about: (1) having suffered bullying through computer: messages or photos; (2) having suffered bullying through cellular |
Strong |
Ortega et al. 22
|
Italy, Spain, England |
Cross-sectional, multicentric. Self-reported questionnaire |
Urban students.Representative sample |
N = 5,862. Age: 12-16 years. 8th-, 10th and 12th grades. 48.8% girls and 52.2% boys |
NI |
12 questions to cellular phone; 12 questions to internet; DAPHNE questionnaire (Genta et al. 33) |
Moderate |
Schneider et al. 18
|
USA |
Census: (86%) of Boston metropolitan area. Self-reported questionnaire |
22 high school urban students, middle and upper-middle class families |
N = 20,406. 9th to 12th grades. 50.4% girls and 49.6% boys |
88.1% |
One question: “How many times someone used the internet, cellular or other means of electronic communication to intimidate, provoke or threaten you?” |
Strong |
Litwiller & Brausch 20
|
USA |
Cross-sectional, randomized.Self-reported questionnaire |
27 high schools public students, from seven-county region. Representative sample. Rural Midwest region |
N = 4,693. 9th-12th grades. 47% girls and 53% boys |
65% |
Three questions about cyberbullying: (1) someone spread rumors about you online in chats, website, by emails or text messages?; (2) someone posted compromising or inappropriate photos of you online?; (3) someone sent you aggressive messages or messages with threats by e-mail or text |
Strong |
Chang et al. 14
|
Taiwan |
Cross-sectional, randomized. Self-reported questionnaire |
26 urban high schools, two cities. Representative sample |
N = 2,992. 10th grade. 48% girls and 52% boys |
80% |
12 questions: six cybervictimization (how often has someone: posted rude comments; embarrassing photos; spread rumours; threatening comments; talked about sex online) and six cyberbullying (how often have you ever: posted rude comments; sent embarrassing photos; spread rumours; made threatening comments; talked about sex online) |
Strong |