B
Evidence Grade B
Graded
under review
Safe to Cite
Current
40.6%
40.6% -- signups increase for Obama campaign call-to-action test (2026)
During the Obama campaign, changing the call-to-action text from 'Sign Up' to 'Learn More' resulted in a 40.6% increase in sign-ups.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
40.6%
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
appeneure.com
Primary
Tier C
https://www.appeneure.com/blog/5-steps-to-test-mobile-ad-placements/seobot-blog ↗
Source Article
5 Steps to Test Mobile Ad Placements - Appeneure
Original Research
appeneure.com
· Original study ↗
Methodology
Historical A/B test case cited in blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Obama campaign call-to-action test: 40.6% signups increase. Source: appeneure.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/obama-cta-signups-40-6
HTML Embed
<blockquote cite="https://lighthousedata.io/data/obama-cta-signups-40-6" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40.6%</strong> -- signups increase for Obama campaign call-to-action test<br><small>Source: appeneure.com (2026) · <a href="https://lighthousedata.io/data/obama-cta-signups-40-6" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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