B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20,000
20,000 -- instagram posts analyzed for LUISS Guido Carli University influencer study (2026)
A study by researchers from LUISS Guido Carli University published in the Journal of Marketing analyzed over 20,000 Instagram posts from more than 1,300 influencers.
- Study examined over 20,000 posts (exact number is greater than 20,000)
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
20,000
Unit
Count
Data Vintage
2026
Entity
Sample Size
1,300
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
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
LUISS Guido Carli University / Journal of Marketing
Primary
Tier A
https://blogherald.com/blogging-news/study-finds-friends-advice-more-trusted-than-influencers/ ↗
Source Article
Study finds friends' advice more trusted than influencers
A study published in the Journal of Marketing examined over 20,000 Instagram posts from more than 1,300 influencers across health, fitness, fashion, and travel sectors. The researchers from LUISS Guido Carli University discovered something that should make every content creator pause: sponsored cont…
Original Research
LUISS Guido Carli University / Journal of Marketing
· Original study ↗
Methodology
Academic study of influencer Instagram posts
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
LUISS Guido Carli University influencer study: 20,000 instagram posts analyzed. Source: LUISS Guido Carli University / Journal of Marketing (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/influencer-study-20000-posts
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<blockquote cite="https://lighthousedata.io/data/influencer-study-20000-posts" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20,000</strong> -- instagram posts analyzed for LUISS Guido Carli University influencer study<br><small>Source: LUISS Guido Carli University / Journal of Marketing (2026) · <a href="https://lighthousedata.io/data/influencer-study-20000-posts" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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