B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$1,200,000
$1,200,000 -- attributed pipeline by model first touch for 340 closed deals with event touchpoints (2026)
First-touch attribution attributed $1.2M to events across a test set of 340 closed deals with event touchpoints.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
$1,200,000
Unit
Currency Usd
Data Vintage
2026
Entity
Sample Size
340
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
GTMStack
Primary
Tier B
https://gtmstack.app/blog/event-marketing-roi-measurement-guide ↗
Source Article
Event Marketing ROI Measurement: A Practical Framework for GTM Teams | GTMStack
Event Marketing ROI Measurement: A Practical Framework for GTM Teams
Learn how to measure event marketing ROI with attribution frameworks, cost-per-lead tracking, and dashboards that prove event value to leadership.
GTMStack Team
Table of Contents
Events Are a Black Box. They Shouldn’t Be.
Most GTM …
Original Research
GTMStack
· Original study ↗
Methodology
GTMStack internal attribution model test on closed deals
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
340 closed deals with event touchpoints: $1,200,000 attributed pipeline by model first touch. Source: GTMStack (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/attribution-model-comparison-deals
HTML Embed
<blockquote cite="https://lighthousedata.io/data/attribution-model-comparison-deals" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$1,200,000</strong> -- attributed pipeline by model first touch for 340 closed deals with event touchpoints<br><small>Source: GTMStack (2026) · <a href="https://lighthousedata.io/data/attribution-model-comparison-deals" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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