B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
19.3%
19.3% -- content rating increase for physicist's talk (audio quality experiment) (2026)
People rated a physicist's talk 19.3% better when listening in high versus low audio quality.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
19.3%
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
Science Says
Primary
Tier C
https://app.sciencesays.com/archive?404=/p/-perform-30-100-better-by-ab-testing&page=29 ↗
Source Article
Science Says
Original Research
Science Says
· Original study ↗
Methodology
Experimental finding cited by Science Says; original study not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
physicist's talk (audio quality experiment): 19.3% content rating increase. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/audio-quality-talk-rating-19-3
HTML Embed
<blockquote cite="https://lighthousedata.io/data/audio-quality-talk-rating-19-3" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19.3%</strong> -- content rating increase for physicist's talk (audio quality experiment)<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/audio-quality-talk-rating-19-3" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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