B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
40%
40% -- mobile share of purchases for Black Friday shoppers (2013)
Almost 40% of purchases made on Black Friday 2013 were made from mobile devices.
- Source states 'almost 40%'
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2013
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
IBM
Primary
Tier C
https://www.arodigitalstrategy.com/blog/2017/03/13/strategy/tackle-the-mobile-marketing-world/73-21/ ↗
Source Article
Tackle the Mobile Marketing World
Original Research
IBM
· Original study ↗
Methodology
IBM Digital Analytics Benchmark, cited via secondary blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Black Friday shoppers: 40% mobile share of purchases. Source: IBM (2013). Via Lighthouse Intelligence -- https://lighthousedata.io/data/black-friday-2013-mobile-purchases-ibm
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<blockquote cite="https://lighthousedata.io/data/black-friday-2013-mobile-purchases-ibm" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- mobile share of purchases for Black Friday shoppers<br><small>Source: IBM (2013) · <a href="https://lighthousedata.io/data/black-friday-2013-mobile-purchases-ibm" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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