B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
9%
9% -- positive perception increase for presenters using hand gestures (2026)
Gesturing with hands when presenting can make people perceive the presenter up to 9% more positively.
- Up to 9% increase
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
9%
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/p/talk-with-your-hands-to-be-more-persuasive ↗
Source Article
Talk with your hands to be more persuasive
Original Research
Science Says
· Original study ↗
Methodology
Science-based insight platform citing research; underlying study not identified
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
presenters using hand gestures: 9% positive perception increase. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/hand-gestures-positive-perception-9pct
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<blockquote cite="https://lighthousedata.io/data/hand-gestures-positive-perception-9pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9%</strong> -- positive perception increase for presenters using hand gestures<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/hand-gestures-positive-perception-9pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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