Prevention of bullying behavior in schools Not Applicable
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Schools containing more than 50 students 2. Schools that were not already using an anti-bullying prevention program 3. Schools that were not participating in any other study in this area 4. Schools that were willing to receive additional information about the study
Exclusion criteria
Exclusion criteria: 1. Grades below third grade 2. Classes with trainee teachers
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Data was collected at two time points: September/October 2017 and March/April 2018 1. Self-reported victimization measured using the global item from the revised Olweus Bully/Victim Questionnaire (OBVQ) 2. Self-reported bullying measured by eight items based on the OBVQ 3. Peer-reported victimization, students were asked to nominate students who were being bullied in the past couple of months 4. Peer-reported bullying, students were asked to nominate students who bullied other children in the past couple of months | — |
Secondary
| Measure | Time frame |
|---|---|
| Peer-reported reinforcers, outsiders, and defenders. Based on the Participant Roles Questionnaire, three single items were used to identify students’ participant roles in bullying situations concerning the past couple of months. | — |
Countries
Netherlands