B
Evidence Grade B
Graded
under review
Safe to Cite
Current
18%
18% -- customer retention increase for customers (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
18%
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
86
Source
Wharton School of Business
Primary
Tier A
https://haw.doisz.com/blog/marketing-de-recomendacao-com-base-em-clientes-promotores/ ↗
Source Article
Hoʻolaha Kūʻai: Paipai i nā mea kūʻai aku e hoʻolaha i kāu hōʻailona
O kūʻai ʻōlelo paipai puka mai ma ke ʻano he hoʻolālā koʻikoʻi no nā ʻoihana e ʻimi nei i ka ulu hoʻomau, hoʻololi māʻona nā mea kūʻai i loko o nā mea hoʻolaha hōʻailona hana. Wahi a Nielsen noiʻi, ʻO 92% o nā mea kūʻai e hilinaʻi i nā ʻōlelo aʻoaʻo mai nā hoaaloha a me nā ʻohana ma mua o nā ʻano ho…
Original Research
Wharton School of Business
· Original study ↗
Methodology
Wharton School of Business study
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2023 | 35% | |
| 2026 (current) | 18% | -48.6% |
Segmentation
Channelrss_feed
Cite this stat
Plain Text
customers: 18% customer retention increase. Source: Wharton School of Business (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/wharton-customer-retention-increase
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<blockquote cite="https://lighthousedata.io/data/wharton-customer-retention-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18%</strong> -- customer retention increase for customers<br><small>Source: Wharton School of Business (2026) · <a href="https://lighthousedata.io/data/wharton-customer-retention-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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