B
Evidence Grade B
Graded
under review
Safe to Cite
Current
11%
11% -- repeat purchase likelihood for households who sampled an item (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
11%
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
95
Source Trust
50
Citation Chain
20
Independence
30
Methodology
45
Freshness
92
Source
Knowledge Networks-PDI
Primary
Tier A
http://salesandmarketing.com/article/study-store-sampling-inspires-repeat-purchases ↗
Source Article
Study: In-Store Sampling Inspires Repeat Purchases
It’s no secret that sampling programs can get people to try and occasionally purchase an item. However, new research shows that such free giveaways can also help drive long-term sales and increase purchases of other items from the product line.
Whether it is a new product launch, line extension or e…
Original Research
Knowledge Networks-PDI
· Original study ↗
Methodology
Report on In-store Sampling Effectiveness conducted by Knowledge Networks-PDI
Segmentation
IndustryRetail
Cite this stat
Plain Text
households who sampled an item: 11% repeat purchase likelihood. Source: Knowledge Networks-PDI (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/repeat-purchase-likelihood
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<blockquote cite="https://lighthousedata.io/data/repeat-purchase-likelihood" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>11%</strong> -- repeat purchase likelihood for households who sampled an item<br><small>Source: Knowledge Networks-PDI (2026) · <a href="https://lighthousedata.io/data/repeat-purchase-likelihood" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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