B
Evidence Grade B
Graded
under review
Safe to Cite
Current
25%
25% -- content completion rate increase for Gamified e-books (2026)
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
25%
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
entrepedia.co
Primary
Tier C
https://www.entrepedia.co/blog/marketing-strategies-books ↗
Source Article
Marketing Strategies Books for Essential Business Growth
Marketing Strategies Books for Essential Business Growth
The right marketing strategy book is more than just something to read—it's a career-changing toolkit. Think of a great book as a direct line to a seasoned mentor, someone offering up years of distilled wisdom that can unlock new growth, refram…
Original Research
entrepedia.co
· Original study ↗
Methodology
Blog cites gamified e-book quizzes boosting completion rates; underlying study not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Gamified e-books: 25% content completion rate increase. Source: entrepedia.co (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gamified-ebook-completion-lift
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<blockquote cite="https://lighthousedata.io/data/gamified-ebook-completion-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- content completion rate increase for Gamified e-books<br><small>Source: entrepedia.co (2026) · <a href="https://lighthousedata.io/data/gamified-ebook-completion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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