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Source:All Ashley StirrupGrowthBookGraham McNicollAlyssa Nicoll
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Ashley StirrupThis week’s edition brings together Dorothy Crepin at MilliporeSigma and Michal Lenik at Gtext_linkpodcast2026-10-15—401
Ashley StirrupThe one part of experimentation AI won't take over for a long time. Michael Mathews Jr (Fatext_videopodcast2026-10-13—910
Ashley StirrupFifteen research interviews said one thing. The concept test said another. Michal Lenik (Gtext_videopodcast2026-10-07258901
Ashley StirrupA small change to type ahead search drove double digit gains in add to cart. Dorothy Crepitext_videopodcast2026-10-06122430
Ashley Stirrup$180 million in one year. Half the story is what they did not ship. Gaurav Sethi (PayPal) text_videopodcast2026-09-30214911
Ashley StirrupThe AI worked. Users quit anyway. Ashraf Karim (ServiceNow) on the biggest learning from ltext_videopodcast2026-09-291,1313223
Ashley StirrupOne team runs roughly tests a month, the other ran 1,500 a year. Both stopped keeping scortext_linkpodcast2026-09-29271900
Ashley StirrupSometimes the p-value is never coming. Wanli Lau (Twilio) on experimentation when your custext_videopodcast2026-09-28139400
Ashley StirrupStop worrying about losing tests. Will Guyeskey (GoPro): do not fear a loser, do not fear text_videopodcast2026-09-255283361
Ashley StirrupFrom last week's podcast episodes I learned a common lesson: A result only makes sense onctext_linkpodcast2026-09-237641111
Ashley StirrupHow do you keep every one pointed at the same North Star? This week’s Experimentation Edgtext_linkpodcast2026-09-176621531
Ashley StirrupB2C testing is more mature and more rigorous. Anuradha Tempe, MBA, MS of Samsung on borrowtext_videopodcast2026-09-17180400
Ashley StirrupA 300% attach rate, and the test still lost money. Whitney Perez of Realtor.com breaks dowtext_videopodcast2026-09-10221410
Ashley StirrupEngineers as the champions of experimentation? Rich Liebling of Learneo on the culture at text_videopodcast2026-09-09221510
Ashley StirrupHow do you A/B test something that has 300 million monthly players constantly clicking? Ttext_linkpodcast2026-09-099421211
Ashley StirrupA test without a specific falsifiable hypothesis is just a fishing expedition. Priya Singhtext_videopodcast2026-09-03194620
Ashley StirrupJobLeads grew its testing velocity 10x in under 2 years. Clover has been well established text_linkpodcast2026-09-011,8471400
Ashley StirrupExperiment analysis used to be restricted to data analysts and product managers with expertext_videopodcast2026-09-01219200
Ashley StirrupNot everything deserves an experiment. Ben Schein of Clover on The Experimentation Edge: utext_videopodcast2026-08-31154300
Ashley StirrupThe research said it couldn't miss: 50% returning customers, the same order every week, ustext_videopodcast2026-08-28251700
Ashley StirrupWhy would Principal Financial Group A/B test on customers who don't exist? The new edititext_linkpodcast2026-08-27798300
Ashley StirrupA mistake where over 1,000,000 people could see is terrifying... So how do you avoid a catext_linkpodcast2026-08-187021001
Ashley StirrupOn the latest episode of The Experimentation Edge, Vijay L. made the case for how to improtext_imagepodcast2026-08-114471111
Ashley StirrupThe strongest experimentation cultures I've seen are built on ceremonies. Luis Trindade, text_videopodcast2026-08-06396500
Ashley Stirrup🚨 NEWSLETTER RELEASE 🚨 This edition breaks down how each team built a program where evtext_linkpodcast2026-08-051,2301710
Ashley StirrupWhat Fyxer, Ancestry, and Chess.com shows that all you need is 25%... Three companies at text_linkpodcast2026-07-302,0262220
Ashley StirrupB2C: "It's black, it fits my apartment, it makes hot water for my tea. I love it." B2B: "text_videopodcast2026-07-234721211
Ashley StirrupFanatics, UPS, and DoorDash all prove the same thing about testing. The new edition of Thtext_linkpodcast2026-07-222,0502910
Ashley StirrupYou can run a thousand experiments, but there's one big question your business has to undetext_videopodcast2026-07-211,6871320
Ashley StirrupI interviewed three experimentation leaders from three industries that could not be more dtext_linkpodcast2026-07-161,4761910
Ashley StirrupA C-suite exec walked in and said "we need video chat." Amazon Fire had just launched thetext_videopodcast2026-07-16448500
Ashley StirrupThe Home Depot does $150 billion a year as an enterprise. The online org alone just passetext_videopodcast2026-07-15451600
Ashley StirrupThere's a difference between a bad result and a bad experiment. James A. Falzone, Directotext_videopodcast2026-07-141,2081430
Ashley StirrupYour best feature might be hiding in the wrong place. Danielle Olean, Director of eCommertext_videopodcast2026-07-09243000
Ashley StirrupI interviewed five experimentation leaders in one week and compiled the most important fintext_linkpodcast2026-07-081,8742122
Ashley StirrupA billion dollars. That's JPMorganChase's estimated value from experimentation and innovatext_videopodcast2026-07-08351400
Ashley StirrupClaude Code turned weeks of data analysis into a few hours. Raunak Kumar at Fin (formerlytext_videopodcast2026-07-06650521
Ashley StirrupIf the idea sounds weak in plain English, don't run the experiment. Arun Bodapati at Twittext_videopodcast2026-07-03270200
Ashley StirrupUser research that once took three weeks now takes about two hours. Daniel Layfield at Diltext_videopodcast2026-07-03298410
Ashley StirrupThe biggest experiment wins usually aren't in the product at all. Nick Beyler from Stitchtext_videopodcast2026-07-021,1342401
Ashley StirrupI asked five experimentation leaders the same two questions. Their answers were almost idetext_linkpodcast2026-07-021,3822123
Ashley StirrupHow Disney goes from no idea what to test → 110 ranked ideas Crystal Ammari Iorio runs extext_videopodcast2026-06-305451413
Ashley Stirrup"If a test is safe enough to let AI run the whole thing, why run it at all?" That line frtext_videopodcast2026-06-29414240
Ashley StirrupAttention everyone! The Experimentation Edge newsletter is getting an upgrade, and it's mtext_onlypodcast2026-06-255821700
Ashley Stirrup15 value-driven experiments beat 40 button-color ones. That's the shift Craig Kistler madtext_carouselpodcast2026-06-186291942
Ashley StirrupAccuracy measures the test set. It doesn't measure trust. I had Mayank Agarwal (Director text_carouselpodcast2026-06-168072203
Ashley StirrupA two-point lift in close rate sounds like a rounding error. At Ford Credit, it's the numbtext_videopodcast2026-06-04573810
Ashley StirrupEveryone celebrates the winning test, but the losing ones are where the real money hides. text_videopodcast2026-06-02594940
Ashley StirrupDavid Massey, MFA just shared his secret success at UPS. Everyone thought his test was crtext_videopodcast2026-05-286691600
Ashley StirrupThe best experimentation teams celebrate the tests that fail. Why? Because a win confirmstext_videopodcast2026-05-269042231
GrowthBook4 engineers. 360 experiments. One year. That's Fyxer's growth engineering team, which heltext_linkpodcast2026-05-193,6951402
GrowthBookNew edition of The Experimentation Edge: Chess.com runs 400 experiments a year for a user text_linkpodcast2026-05-182,273801
GrowthBookExperimentation drives ~8% of annual growth at Fanatics. On a $3B business, that's hundretext_linkpodcast2026-05-15539500
GrowthBookFyxer retests experiments that failed last year. And they keep winning. This sounds countext_videopodcast2026-05-15476310
GrowthBookHow to shift your PM mindset to think more like an executive. That's the latest edition otext_linkpodcast2026-05-13968720
Ashley StirrupAndrew Willingham's career advice for product managers: stop being right. Stop walking intext_videopodcast2026-05-134531001
Ashley StirrupMost teams kill a failed experiment and never look at it again. Kameron Tanseli at @fyxertext_videopodcast2026-05-13281610
GrowthBookRunning 300 million feature flag evaluations per second sounds like an engineering flex. text_linkpodcast2026-05-12434810
Ashley StirrupDoorDash saved thousands of subscriptions per week. What was that experiment? Ilya Izraitext_videopodcast2026-05-127321911
Ashley StirrupHow does Fanatics generate hundreds of millions in growth from experimentation every year?text_videopodcast2026-05-119302730
GrowthBookUPS's Journey Experience and Design Innovation (nicknamed J.E.D.I.) team generated $500M+ text_linkpodcast2026-05-11339710
Ashley StirrupUPS added a required email field to their shipping checkout. The outcome? Not good... Context_videopodcast2026-05-11530510
Ashley StirrupMost companies run experiments in a silo. The growth team knows what's working. Nobody eltext_videopodcast2026-05-06348420
GrowthBookYou spent weeks building the feature. Nobody used it. This happens more often than most text_videopodcast2026-05-01376210
Ashley StirrupMost teams ship a feature and move on. Kameron Tanseli at @fyxerofficial does the opposittext_videopodcast2026-04-29466520
Ashley StirrupWe thought Chess.com users wanted to review their losses. 80% were reviewing their wins. text_videopodcast2026-04-242,57935131
GrowthBookA growth loop that looked perfect on a whiteboard completely backfired. Fyxer has a schedtext_videopodcast2026-04-24333310
Ashley StirrupNot every experiment that looks perfect on a whiteboard works in the real world. Kameron text_videopodcast2026-04-221,1781912
Ashley StirrupAt Ancestry, their goal is to make the past come to life. They used AI to do exactly that,text_videopodcast2026-04-171,3092520
GrowthBookMost growth teams are waiting until they're "big enough" to experiment. They're falling ftext_videopodcast2026-04-17457410
Ashley StirrupA 5-pixel change almost cost LinkedIn $10M a year. A designer adjusted the padding on thetext_videopodcast2026-04-068961421
Ashley StirrupHow do you grow from $1M to $35M ARR in a year? Not by running the usual handful of tests text_videopodcast2026-04-021,8064432
GrowthBookA designer at LinkedIn removed 5 pixels from an ad banner. No big deal, right? Revenue drtext_videopodcast2026-04-01595620
GrowthBookIf your team is shipping AI and algorithmic changes without an A/B test, you're flying blitext_videopodcast2026-03-27357510
GrowthBookUnit tests have one job: tell you if something is broken. AI apps just made that job impostext_videopodcast2026-03-26316310
GrowthBookThe bottleneck used to be shipping. Now it's knowing what to keep. AI is putting more codtext_videopodcast2026-03-234421011
Ashley StirrupHigh activity doesn't mean high quality. Sometimes it means the opposite. A user who refrtext_videopodcast2026-03-12206630
Ashley StirrupAnyone can run an A/B test. Typeform decided that wasn't enough. On the latest Experimenttext_videopodcast2026-03-10145720
Ashley StirrupRaj Mehta joined me on the Experimentation Edge Podcast this week. Its a great real-worldtext_onlypodcast2026-03-0776200
Alyssa NicollThe web has always had this pendulum swing between client-side and server-side rendering. text_linkpodcast2026-03-06—100
Alyssa NicollSorry everyone!!! I messed up (me, Alyssa). Alfredo's episode will be Oct. 3rd. See you thtext_onlypodcast2025-09-195300