B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
23%
23% -- return rate due to size confusion for ecommerce product returns (2026)
23% of product returns are attributed to size confusion.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
23%
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
Neuroscience Marketing
Primary
Tier C
https://pagepilot.ai/blog/how-to-add-a-size-chart-in-shopify ↗
Source Article
How to Add a Size Chart in Shopify (Without Hurting Conversions)
Picture this: a customer lands on your store, loves your product, but clicks away because they're unsure if it will fit. When you study successful Shopify product page examples, you'll notice one common thread among high-converting stores: they all display clear, accessible size information. This gu…
Original Research
Neuroscience Marketing
· Original study ↗
Methodology
Cited research attributed to Neuroscience Marketing
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce product returns: 23% return rate due to size confusion. Source: Neuroscience Marketing (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/returns-size-confusion-23pct
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<blockquote cite="https://lighthousedata.io/data/returns-size-confusion-23pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>23%</strong> -- return rate due to size confusion for ecommerce product returns<br><small>Source: Neuroscience Marketing (2026) · <a href="https://lighthousedata.io/data/returns-size-confusion-23pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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