B
Evidence Grade B
Graded
under review
Safe to Cite
Current
40%
40% -- share of customer complaints via phone for Customer complaints (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40%
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
Harvard Business Review
Primary
Tier C
https://www.atidiv.com/how-to-deescalate-an-angry-customer-effectively/ ↗
Source Article
How to Deescalate an Angry Customer in 2026? Proven Strategies for Business Success!
Original Research
Harvard Business Review
· Original study ↗
Methodology
Harvard Business Review research cited by Atidiv
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Customer complaints: 40% share of customer complaints via phone. Source: Harvard Business Review (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/hbr-phone-complaints-40pct
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<blockquote cite="https://lighthousedata.io/data/hbr-phone-complaints-40pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- share of customer complaints via phone for Customer complaints<br><small>Source: Harvard Business Review (2026) · <a href="https://lighthousedata.io/data/hbr-phone-complaints-40pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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