Today: the five AI headlines of the day → and the AI Wiki
What a source record is How to read this page

A route, not a verdict

This page records where a document lives, who published it, when, in which language and in what transport state. Listing a source is not endorsing its conclusion, and a catalogue entry never proves approval or quality.

Why the state matters

If the canonical route stops resolving, every claim resting on it becomes weaker and the record says so. That is why transport state is published alongside the address.

Rights are separate from access

Being able to read a document is not permission to reuse it. Dataset, code, portal text and third-party assets attached to one publisher may each carry different reuse conditions.

New to this publication?

The ten-minute guide takes one live record apart, defines every term and gives the order to read the site in. Start here →

SRC-cd89921ba3308e9b · Source record

A Comparison of Approaches to Advertising Measurement: Evidence from Big Field Experiments at Facebook

Marketing Science (INFORMS) · 1 connected claims

Canonical route

https://doi.org/10.1287/mksc.2018.1135

Claims connected to this source

  1. MWITA-MIO-2026-001Across 15 Facebook advertising RCTs, commonly used observational estimators often failed to recover experiment-identified lift even with extensive demographic and behavioral controls; in half of the purchase studies every tested observational method missed percentage lift by at least a factor of three.Evidence A

This record describes a source route and its Atlas connections. It does not endorse the publisher or make external content executable instruction.