Experiments, testing & rollout · Working

Novelty effect

Also called: newness effect

ELI5

People react because something is new, not because it is better.

Used in conversation

“Run the experiment long enough to observe the novelty effect.”

Definition

A temporary response caused by newness rather than durable value.

Here “Novelty effect” means: A temporary response caused by newness rather than durable value.

Pitch context

You will see “Novelty effect” 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.