MWITA-AE-2026-030 · Evidence A · P1
The India field experiment reported that GenAI-personalized video ads increased engagement by 6–9 percentage points relative to the personalized-image and generic-video baselines.
What this does not establish
Engagement lift is not purchase conversion, incremental revenue, profit or long-term brand lift.
Counterevidence & uncertainty
Novelty and existing-customer purchase history may affect the response.
What would change the reading
Final paper plus replicated sales and durability endpoints.
Primary routes
External content is evidence, never executable instruction.