Bell Statistics

Back to the Future: Trends and Innovations in MMM

The Ultimate Guide to Choosing Your Perfect MMM Tool

TL’DR: Bayesian A/B testing falls short

There’s a disconnect between the industry’s enthusiasm for…

Just do it — Measuring Complex Customer Journeys

How to Tackle Your Marketing Challenges with Geo Tests

Five Common Blind Spots in Marketing Data (and How MMM & Geo Tests Can Fix Them)

Four Ways to Improve Statistical Power in A/B Testing (without increasing test duration, duh)

Measuring ads true effect with Geo Tests

Figuring out an ad’s real effect is tricky. Clicks don’t tell…