B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
46%
46% -- consumers suspicious of perfect ratings for consumers (2026)
PowerReviews surveyed 6,538 consumers and found that 46% are suspicious of products with a perfect 5-star rating.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
46%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
6,538
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
PowerReviews
Primary
Tier C
https://kirro.io/social-proof-examples ↗
Source Article
15 Social Proof Examples That Actually Convert (2026)
Social proof is people copying other people. That’s it. You check restaurant reviews before booking. You read testimonials before buying software. You pick the busier coffee shop over the empty one. All social proof. And it works: products with just five reviews sell 270% better than products with z…
Original Research
PowerReviews
· Original study ↗
Methodology
PowerReviews survey of 6,538 consumers, cited by kirro.io
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
consumers: 46% consumers suspicious of perfect ratings. Source: PowerReviews (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/suspicious-perfect-5-star-ratings
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<blockquote cite="https://lighthousedata.io/data/suspicious-perfect-5-star-ratings" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>46%</strong> -- consumers suspicious of perfect ratings for consumers<br><small>Source: PowerReviews (2026) · <a href="https://lighthousedata.io/data/suspicious-perfect-5-star-ratings" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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