Experimental Mind
Kevin Anderson, Melanie JI Mueller, JordenA curated weekly newsletter with interesting reads at the intersection of experimentation, analytics and behavioral science. Get it in your mailbox on Monday.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 355 | Founded | 7 years ago | Last Issue | a month ago |
| Active | |||||
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kevinanderson.substack.comLatest Issues
A Recap of the 2026 Experimentation Conference at Booking.com
On May 18, 2026, we hosted the third annual Experimentation Conference at Booking.com on our Amsterdam campus. What started in 2024 as an experiment itself — would large-scale experimentation practitioners come together to learn from each o...
The missing piece
This week: a deeper look at effect distributions and why your win rate alone tells you almost nothing — plus AI in A/B tools, a quasi-experiment from BBC Studios, and the validation mindset trap. You'll also find 1k+ open roles, upcoming ev...
Can a LLM replace humans in an A/B test?
This week I’m trying something different: one longer look at a paper instead of the usual roundup. Let me know what you think. As always, you’ll also find 1k+ open roles, upcoming events, and a cartoon that made me smile.
Brough...
'Trustworthy A/B patterns' — Digest 26, 2026
This week three new reads/tools. Plus the latest jobs and events.
Brought to you by
Convert—A/B tests & personalization for growth teams
Experimentation Jobs—Find your next role
🔎 Interesting things you migh...
'Hello Power' — Digest 25, 2026
I had planned to be running a 30k UTMB Zugspitze trail run in Garmisch-Partenkirchen last weekend. Then my wife had a small accident (she’ll be fine) and that plan went out the window. With the extra time, I picked up The Decision Stack by...
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Authors
The writers behind this newsletter.
Product and experimentation leader. Writes the weekly Experimental Mind newsletter. Co-founder ExperimentationJobs.com.
Experimentation at Booking.com
In 2008 Jorden ran his first a/b test. Fast forward to 2026 and he has run experiments across Finance, Search and Travel. One thing is clear after 15+ years of experimentation: most of his ideas turned out to be wrong.
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