B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
40%
40% -- signup increase rate for Obama 2008 presidential campaign website (2008)
Swapping the 'sign up' button to 'learn more' and changing the headlining picture resulted in a 40% increase in sign-ups for the Obama presidential campaign website.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2008
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
imarketdigitally.wordpress.com
Primary
Tier C
https://imarketdigitally.wordpress.com/2016/08/30/a-or-b-which-website-is-best/ ↗
Source Article
A or B? Which website is best?
Starting a new business or idea involves various tasks and in today’s technologically fuelled society ensuring that an accessible, exciting and unique website or app are vital to success. A/B testing is a step you can take to avoid potential mistakes or let you try out a few possibilities if you can…
Original Research
imarketdigitally.wordpress.com
· Original study ↗
Methodology
A/B test of two website homepage variants during 2008 campaign; described in blog citing campaign case study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Obama 2008 presidential campaign website: 40% signup increase rate. Source: imarketdigitally.wordpress.com (2008). Via Lighthouse Intelligence -- https://lighthousedata.io/data/obama-campaign-ab-testing-signup-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/obama-campaign-ab-testing-signup-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- signup increase rate for Obama 2008 presidential campaign website<br><small>Source: imarketdigitally.wordpress.com (2008) · <a href="https://lighthousedata.io/data/obama-campaign-ab-testing-signup-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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