Experiments, testing & rollout · Core

A/B test

Also called: split test

ELI5

Compare two versions with similar groups.

Used in conversation

“The A/B test needs enough exposure and a preselected primary metric.”

Definition

An experiment comparing two variants by randomly assigning eligible participants and measuring outcomes.

Here “A/B test” means: An experiment comparing two variants by randomly assigning eligible participants and measuring outcomes.

Pitch context

You will see “A/B test” in product strategy decks, roadmaps, experiments and architecture reviews when the discussion reaches experiments, testing & rollout.

Why it matters: It helps a reader interpret experiments, testing & rollout without confusing the measure, decision, role or evidence being discussed.

Sources & evidence · 2

Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.