B Evidence Grade B Graded under review Safe to Cite Current

90%

90% -- share of sales increase attributable to advertising effect for email coupons (2026)

Name: Share Of Sales Increase Attributable To Advertising Effect Statistics
Creator: Lighthouse Intelligence
Published: 2026-10-01

2026 · n=70 · Science Says

In a series of 70 experiments, 90% of the sales increase driven by email coupons was attributable to their advertising effect (buying other products) rather than the discount redemption itself.

Cite this stat Share How we verify

Attribution: Science Says View source

Lighthouse Research Team

Last verified: 2026-10-01 · How we verify data →

Source verified Evidence graded

Value

90%

Unit

Percentage

Data Vintage

2026

Entity

email coupons

Sample Size

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Science Says Primary Tier B

https://app.sciencesays.com/p/email-coupons-ads ↗

Confidence: 53/100 Vintage: 2026 Channel: Common Crawl

Source Article

How email coupons drive sales

Original Research

Science Says · Original study ↗

Methodology

Series of 70 experiments on email coupon effectiveness

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

email coupons: 90% share of sales increase attributable to advertising effect. Source: Science Says (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-coupon-sales-increase-ad-effect-90pct

HTML Embed

<blockquote cite="https://lighthousedata.io/data/email-coupon-sales-increase-ad-effect-90pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>90%</strong> -- share of sales increase attributable to advertising effect for email coupons<br><small>Source: Science Says (2026) · <a href="https://lighthousedata.io/data/email-coupon-sales-increase-ad-effect-90pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

Share on X Share on LinkedIn

Use this data in your work

Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.

Copy citation Explore similar stats →