B
Evidence Grade B
Graded
under review
Safe to Cite
Current
22%
22% -- buying intention lift for direct mail campaigns followed by email (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
22%
Unit
Percentage
Data Vintage
2026
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
Post NL
Primary
Tier C
https://best-of-inhome.be/case/lola-liza/ ↗
Source Article
Lola & Liza
Original Research
Post NL
· Original study ↗
Methodology
Cited from Post NL research; methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
direct mail campaigns followed by email: 22% buying intention lift. Source: Post NL (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/direct-mail-email-buying-intention-22
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<blockquote cite="https://lighthousedata.io/data/direct-mail-email-buying-intention-22" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- buying intention lift for direct mail campaigns followed by email<br><small>Source: Post NL (2026) · <a href="https://lighthousedata.io/data/direct-mail-email-buying-intention-22" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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