Take an evidence-based approach: programmes should be evaluated to understand their implementation process and impact, with any findings shared to build the evidence base for violence prevention.
Darparu adborth ar unrhyw faterion sy'n deillio o weithredu polisïau a helpu i ddatblygu mecanweithiau i fynd i'r afael â nhw, gan rannu profiadau o'r gwersi ymarferol a ddysgwyd