B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
29%
29% -- purchase willingness decrease for consumers evaluating AI-designed products (2026)
People are up to 29% less willing to purchase products designed by AI compared to those designed by humans.
- Figure represents an upper bound ('up to 29%')
- Underlying study methodology not detailed in paywalled excerpt
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
29%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Science Says
Primary
Tier B
https://app.sciencesays.com/p/ai-designed-hurts-sales ↗
Source Article
‘AI
Original Research
Science Says
· Original study ↗
Methodology
Science-based research summary; underlying study methodology not disclosed in excerpt (paywalled). 'Up to' indicates upper bound of effect.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
consumers evaluating AI-designed products: 29% purchase willingness decrease. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-designed-products-purchase-willingness-drop
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<blockquote cite="https://lighthousedata.io/data/ai-designed-products-purchase-willingness-drop" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>29%</strong> -- purchase willingness decrease for consumers evaluating AI-designed products<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/ai-designed-products-purchase-willingness-drop" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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