AI engineering glossary · Statistics inference

What is novelty effect?

Novelty effect: A temporary change in behaviour caused only by users seeing something new, which fades as they get used to it. It can make a short experiment overstate the lasting benefit of a change.

Level: intermediateTopic: Statistics inference

Novelty effect: an example

A redesigned home screen lifts clicks in week one because it is unfamiliar, then the lift decays by week three.

Related terms

More Statistics inference terms

Where you learn it

Novelty effect is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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