Experiments, testing & rollout · Core

False positive

Also called: Type I error

ELI5

The test says something worked when it did not.

Used in conversation

“Repeated peeking increases false-positive risk.”

Definition

A result indicating an effect when the effect is not real under the tested assumptions.

Here “False positive” means: A result indicating an effect when the effect is not real under the tested assumptions.

Pitch context

You will see “False positive” 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.