B
Evidence Grade B
Graded
under review
Safe to Cite
Dated
42%
42% -- consent rate for Organ donation opt-in vs opt-out countries (2003)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
42%
Unit
Percentage
Data Vintage
2003
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Source
Johnson and Goldstein
Primary
Tier B
https://www.leadalchemists.com/marketing-psychology/cognitive-biases-marketing/default-effect/ ↗
Source Article
Guide to The Default Effect in Marketing: Description, Psychology, and Examples - Quality Lead Generation From The Lead Alchemists Agency
Guide to The Default Effect in Marketing: Description, Psychology, and Examples
What Is The Default Effect?
The Default Effect is the tendency for people to favour pre-selected options, even when the alternatives on offer are objectively better choices for them. This powerful cognitive bias explains…
Original Research
Johnson and Goldstein
· Original study ↗
Methodology
Johnson and Goldstein (2003) cross-country comparison; value represents opt-out participation rate vs 42% opt-in
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Organ donation opt-in vs opt-out countries: 42% consent rate. Source: Johnson and Goldstein (2003). Via Lighthouse Intelligence -- https://lighthousedata.io/data/organ-donation-default-effect-42-82
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<blockquote cite="https://lighthousedata.io/data/organ-donation-default-effect-42-82" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- consent rate for Organ donation opt-in vs opt-out countries<br><small>Source: Johnson and Goldstein (2003) · <a href="https://lighthousedata.io/data/organ-donation-default-effect-42-82" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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