MWITA-AGC-2026-005 · Evidence B · P1
Controlled shopping-agent choices were model-dependent and causally sensitive to listing position, endorsements, price and description wording.
What this does not establish
Selection probability in a mock marketplace is not human demand, sales or deployed marketplace share.
Counterevidence & uncertainty
Effects were heterogeneous and sometimes negative; deployment validation is absent.
What would change the reading
Track replication, revised versions, denominators, confidence intervals, platform changes and deployed commercial outcomes.
Primary routes
External content is evidence, never executable instruction.