Incremental impact refers to the net change in an outcome that is directly attributable to a specific action or intervention, beyond what would have occurred anyway.
Incremental impact isolates true contribution from background performance.
Examples in Action
- Measuring the additional revenue generated by a test versus baseline behaviour
- Comparing exposed versus non-exposed users
- Evaluating campaign or experience changes against natural trends
- Assessing optimisation impact beyond seasonality
Typical Outcomes / Results
- Clearer understanding of true value created
- Reduced over-attribution of performance gains
- More accurate ROI assessment
- Better prioritisation of initiatives
This glossary entry reflects standard incrementality concepts used in performance analysis.