Individual skill
ad-creative-testing
Designs a disciplined ad creative testing system with hooks, isolated variables, and statistical rigor. Use when setting up a testing pipeline or when creative performance is declining.
skills/ad-creative-testing/SKILL.md
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# Ad Creative Testing
Most ad creative testing produces noise, not learning. Discipline means changing one variable at a time, running tests long enough, and acting only on statistically meaningful results.
## Structure Tests Around a Single Variable
Each test must isolate exactly one variable: hook (first 3 seconds of video or headline), visual format (static vs. video vs. carousel), offer framing (discount vs. free trial vs. guarantee), or call to action. Testing multiple variables at once makes the result uninterpretable. Label every creative with the variable it is testing and the hypothesis it is checking before launch.
## Prioritize Hook Testing First
The hook is the highest-leverage variable in most paid channels. For video, the 3-second view rate and thumb-stop ratio reveal hook strength before the full watch occurs. For static and search, the headline carries the same weight. Run hook tests before any other variable - a great offer with a weak hook will never be seen. A hook passes if 3-second view rate exceeds 30% on Meta or thumb-stop exceeds 25%; a headline passes if CTR exceeds channel benchmark.
## Set Sample Sizes Before Running
