B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
15%
15% -- allocation model accuracy improvement for Cross-channel media allocation models (2025)
Accounting for cross-channel interaction effects improves allocation model accuracy by 15% to 30%.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Nielsen
Primary
Tier C
https://www.darkroomagency.com/observatory/paid-media-strategy-ecommerce-channel-allocation ↗
Source Article
Paid Media Strategy: Ecommerce Channel Allocation Guide
PAID MEDIA
Paid Media Strategy for Ecommerce: How to Allocate Budget Across Channels Without Guessing
Written by Darkroom leardership
PAID MEDIA
Written & peer reviewed by 4 Darkroom team members
TL;DR
Most ecommerce brands build paid media strategy by stacking channels, each with its own budget, bu…
Original Research
Nielsen
· Original study ↗
Methodology
Nielsen study on cross-channel effects; range 15-30%, midpoint extracted
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Cross-channel media allocation models: 15% allocation model accuracy improvement. Source: Nielsen (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/nielsen-cross-channel-model-accuracy
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<blockquote cite="https://lighthousedata.io/data/nielsen-cross-channel-model-accuracy" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- allocation model accuracy improvement for Cross-channel media allocation models<br><small>Source: Nielsen (2025) · <a href="https://lighthousedata.io/data/nielsen-cross-channel-model-accuracy" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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