The Campbell Collaboration's systematic review of school-based anti-bullying interventions does not meet mandatory methodological standards.
Littell Julia H, Gorman Dennis M·Systematic reviews
BACKGROUND: Many published reviews do not meet the widely accepted PRISMA standards for systematic reviews and meta-analysis. Campbell Collaboration and Cochrane reviews are expected to meet even more rigorous standards, but their adherence to these standards is uneven. For example, a newly updated Campbell systematic…