Incrementality and lift testing (iROAS)
Turns the ROAS a platform reports into incremental ROAS with a holdout or geo test, so the buyer knows which sales happened because of the ads.
Score combines the signals available for this demand.
- Marketer voices
- News momentum
- Budget signals
Drawn from trade press, conference talks and industry research.
68% of US buy-side regular incrementality test users say their incrementality approach does not produce reliable/consistent results very well
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What marketers say
- problem
But, when I look at cost per reach, it's three to four times more expensive than my other touchpoints, and therefore it needs to be at least three to four times more effective. As of today, I have no way to prove that,
Marketing Directorenterprise personal care company
India · Conference talk · Jun 2026 source
- problem
With rising ad costs, we've become more selective. We test campaigns first and only scale what works. The focus is on efficiency, not just reach
CMOscale-up packaged food brand
India · Trade press · Apr 2026 source
Market maturity
Late majority · 52% use today, 36% plan in 12 months · medium confidence
Sources
- The CMO Survey (Duke Fuqua, Deloitte, AMA), The CMO Survey 2026 Highlights and Insights Report, 2026 · Link
- TransUnion and EMARKETER, Marketing Measurement Confidence survey, 2025 · sponsored by TransUnion · Link
- Snap and EMARKETER, EMARKETER + Snap measurement survey (July 2024), 2024 · run by Snap and EMARKETER · Link