B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
49%
49% -- memory encoding lift for Direct mail (2025)
Direct mail drives 49% stronger memory encoding than email based on neuroscience studies.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
49%
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
birdseyepost.com
Primary
Tier C
https://birdseyepost.com/blog/direct-mail-roi-guide-b2b-d2c ↗
Source Article
Direct Mail in 2025: A Data-Driven Guide to ROI for B2B and D2C Marketers with BirdseyePost
Original Research
birdseyepost.com
· Original study ↗
Methodology
Neuroscience studies cited without source
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Direct mail: 49% memory encoding lift. Source: birdseyepost.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/memory-encoding-49-direct-mail
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<blockquote cite="https://lighthousedata.io/data/memory-encoding-49-direct-mail" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>49%</strong> -- memory encoding lift for Direct mail<br><small>Source: birdseyepost.com (2025) · <a href="https://lighthousedata.io/data/memory-encoding-49-direct-mail" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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