Cluster-Randomised Trial

Risks & contraindications

Comparisons

Highlighted claims

• The study randomises schools as clusters in a parallel cluster-randomised controlled design. — VAPGAMO trial protocol: a cluster-randomised controlled evaluation of a digital game-based learning intervention to reduce adolescent vaping intention in Malaysian public secondary schools
• Eight public national secondary schools in Klang district are randomised equally between intervention and control arms. — VAPGAMO trial protocol: a cluster-randomised controlled evaluation of a digital game-based learning intervention to reduce adolescent vaping intention in Malaysian public secondary schools
• The control arm receives an attention-matched online flash game without tobacco or vaping content. — VAPGAMO trial protocol: a cluster-randomised controlled evaluation of a digital game-based learning intervention to reduce adolescent vaping intention in Malaysian public secondary schools
• The trial is single-blind because researchers know allocation while participants are kept unaware of group status. — VAPGAMO trial protocol: a cluster-randomised controlled evaluation of a digital game-based learning intervention to reduce adolescent vaping intention in Malaysian public secondary schools