Ad-Tech Glossary
Holdout Test (Advertising): Definition & Uses
A holdout test withholds an ad or treatment from part of an audience, then compares outcomes against an exposed group to measure the treatment's real effect.
testing
Ad-Tech Glossary
Brand Lift Study: Definition & How It's Measured
A brand lift study compares survey responses from an exposed audience against a control group to measure shifts in awareness, recall or purchase intent.
Ad-Tech Glossary
Geo Lift Test: Definition & How It's Run
A geo lift test compares matched regions with and without ad spend to measure a channel's real, causal impact on sales or conversions.
Affiliate & Media Buying
How Many Campaigns Before You're Profitable? Realistic Hit Rates
There's no fixed number of campaigns that guarantees profitability. Here's a framework for defining a real test, sizing your sample and reading the signal, plus the range buyers commonly report (not a measured rate).
Ad-Tech Glossary
Incrementality Testing: Definition & How It Works
Incrementality testing isolates how much of a reported conversion an ad channel actually caused, using a holdout group as the baseline for comparison.