
Testing & Experimentation
Novelty Effect Bias in Ecommerce A/B Tests
Early test wins often fade when users stop noticing the change.
Story: Marcus Delacroix-Webb
4 stories by Marcus Delacroix-Webb

Early test wins often fade when users stop noticing the change.
Story: Marcus Delacroix-Webb

Chat logs reveal what shoppers actually want, not just where they click.
Story: Marcus Delacroix-Webb

Shopify captures all revenue server-side while GA4 misses 10-20% due to browser limitations.
Story: Marcus Delacroix-Webb

Where you place social proof on a product page matters more than having it at all.
Story: Marcus Delacroix-Webb