Optimization Archives | Search Discovery

How To Health Check Your Media Attribution Models: Randomized Controlled Trials

For advertisers, the new loss of third-party cookies creates gaps in media attribution models, so media result measurements become inaccurate. A randomized Controlled Trial (RCT, or “Randomized Control Testing”) is a scientific method we use to solve these problems for marketing teams.

Demystifying Multivariate Testing

Question: Four test subjects walk into a bar. The 1st wears a shirt and shoes. The 2nd wears a shirt but no shoes. The 3rd wears shoes but no shirt. The 4th wears no shirt and no shoes. Which ones got a drink?
Answer: Unfortunately, none of them accepted cookies, so we’ll never know.

Sample Ratio Mismatch: What is it? Do I have it? How do I fix it?

Learn from Lukas Vermeer’s conversation with the Test and Learn Community about Sample Ratio Mismatch (SRM) or what he calls  “one neat trick to run better experiments.” Here’s a simple tool to test for data quality issues. The Test and Learn Community met with the Director of Experimentation at Booking.com, Lukas Vermeer, on a beautiful …

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