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Testing a school-wide anti-bullying program in elementary schools

Effects of implementing multiple components in a school-wide anti-bullying program: a randomized controlled trial in elementary schools

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN15425978
Enrollment
4285
Registered
2020-10-07
Start date
2017-04-01
Completion date
Unknown
Last updated
2021-08-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prevention of bullying behavior in schools Not Applicable

Interventions

Intervention: PRIMA, a school-wide and modular anti-bullying program for elementary school, including six core program components (i.e., student curriculum, monitor report, e-learning, face-to-face tr

Sponsors

University of Amsterdam
Lead Sponsor

Eligibility

Sex/Gender
All

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

MeasureTime 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

MeasureTime 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

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026