B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

75%

75% -- open ended response length increase for AI-probed survey respondents (2026)

Name: Open Ended Response Length Increase Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-28

2026 · Bellomy

Open-ended survey response lengths can increase by more than 75% when deploying tech-forward approaches like AI probing.

The source specifies an increase of 'more than' 75%

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Attribution: Bellomy View source

Lighthouse Research Team

Last verified: 2026-09-28 · How we verify data →

Source verified Evidence graded

Value

75%

Unit

Percentage

Data Vintage

2026

Entity

AI-probed survey respondents

Geography

Global

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Bellomy Primary Tier B

https://www.bellomy.com/insights/why-traditional-brand-tracking-no-longer-enough ↗

Confidence: 28/100 Vintage: 2026 Channel: Common Crawl

Source Article

Why Traditional Brand Tracking is No Longer Enough

Original Research

Bellomy · Original study ↗

Methodology

Vendor-reported finding from Bellomy's own survey research experience; no sample size or study details given

Methodology documented

Segmentation

IndustryMarket Research & Insights RegionGlobal RoleAll marketers

Cite this stat

Plain Text

AI-probed survey respondents: 75% open ended response length increase. Source: Bellomy (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-probing-response-length-increase-75

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<blockquote cite="https://lighthousedata.io/data/ai-probing-response-length-increase-75" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>75%</strong> -- open ended response length increase for AI-probed survey respondents<br><small>Source: Bellomy (2026) · <a href="https://lighthousedata.io/data/ai-probing-response-length-increase-75" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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