The Development Engagement Lab (as part of the Aid Attitudes Tracker) investigated the traits and characteristics that make for effective messengers in overseas aid and development campaigns. Findings from this study offer robust, evidence-based insights on how messengers are evaluated by audiences in Great Britain, identify effective messengers for donation and petition requests, and signpost how future aid and development campaigns and appeals might be designed to maximise public engagement. To download the pdf, scroll down and click the link.