| Ashley Stirrup | 🚨 NEWSLETTER RELEASE 🚨
This edition breaks down how each team built a program where ev | text_link | thought_leadership_expert | 2026-08-05 | 932 | 16 | 1 | 0 |
| Ashley Stirrup | I interviewed three experimentation leaders from three industries that could not be more d | text_link | thought_leadership_expert | 2026-07-16 | 1,412 | 19 | 1 | 0 |
| GrowthBook | A "winning" test can still be wrong.
If your team runs experiments at any scale, you’ll w | text_image | thought_leadership_expert | 2026-07-08 | 355 | 6 | 0 | 1 |
| GrowthBook | Your A/B test won, but is it actually trustworthy? 🤔
Ron Kohavi has audited thousands o | text_only | thought_leadership_expert | 2026-07-07 | 819 | 14 | 0 | 7 |
| Ashley Stirrup | How Disney goes from no idea what to test → 110 ranked ideas
Crystal Ammari Iorio runs ex | text_video | thought_leadership_expert | 2026-06-30 | 541 | 13 | 1 | 2 |
| Ashley Stirrup | "If a test is safe enough to let AI run the whole thing, why run it at all?"
That line fr | text_video | thought_leadership_expert | 2026-06-29 | 409 | 2 | 4 | 0 |
| Ashley Stirrup | People with smaller palms live longer.
That's a real correlation. Statistically significa | text_image | thought_leadership_expert | 2026-06-29 | 1,519 | 15 | 1 | 0 |
| GrowthBook | A team of four. 541 experiments in a year. A lot of them lost.
Losing is expected. What | text_video | thought_leadership_expert | 2026-06-26 | 860 | 22 | 2 | 2 |
| GrowthBook | Many "winning" A/B tests aren't actually wins. They're results that cross a threshold with | text_image | thought_leadership_expert | 2026-06-25 | 917 | 28 | 1 | 5 |
| Ashley Stirrup | Don’t confuse shipping with winning.
Microsoft figured this out in 2014. For decades, the | text_image | thought_leadership_expert | 2026-05-26 | 776 | 13 | 0 | 1 |
| GrowthBook | How to shift your PM mindset to think more like an executive.
That's the latest edition o | text_link | thought_leadership_expert | 2026-05-13 | 968 | 7 | 2 | 0 |
| Ashley Stirrup | Your metrics are green. Your customers are leaving.
Ron Kohavi calls these "watermelon me | text_image | thought_leadership_expert | 2026-03-19 | 3 | 95 | 14 | 4 |
| Ashley Stirrup | Calling e-commerce experimentation companies!
Get free expert guidance from Ron Kohavi, L | text_image | thought_leadership_expert | 2026-03-17 | 8 | 20 | 1 | 5 |
| Ashley Stirrup | 8+ out of 10 features your team ships will fail.
That's not pessimism — it's data. The me | text_video | thought_leadership_expert | 2026-03-11 | 95 | 4 | 1 | 0 |
| Ashley Stirrup | Most ideas fail. Data shows the median organization has a success rate of only 10-15%. If | text_video | thought_leadership_expert | 2026-03-11 | 23 | 2 | 0 | 0 |
| GrowthBook | Small changes to a user interface can have a huge impact on conversion rates and revenue. | text_only | thought_leadership_expert | 2026-03-09 | 406 | 8 | 0 | 0 |
| Ashley Stirrup | It's Twyman's Law: any figure that looks interesting or surprising is usually wrong.
Here | text_image | thought_leadership_expert | 2026-03-06 | 1,393 | 15 | 1 | 0 |
| Ashley Stirrup | Most experimentation programs are confidently wrong - unless they have a plan.
The webina | text_image | thought_leadership_expert | 2026-03-04 | 19 | 7 | 1 | 1 |
| Ashley Stirrup | A slide made it all the way to a VP all-hands at Microsoft.
It said: "New users who use o | text_image | thought_leadership_expert | 2026-03-03 | 28 | 9 | 2 | 0 |
| Graham McNicoll | Ron Kohavi and Luke Sonnet are hosting a discussion tomorrow about how to decide what to d | text_only | thought_leadership_expert | 2026-03-02 | 895 | 16 | 1 | 0 |
| Ashley Stirrup | Amazon's team was confident in their data.
Then someone noticed Oprah had called Kindle he | text_document | thought_leadership_expert | 2026-03-02 | 32 | 7 | 1 | 0 |
| Ashley Stirrup | A Microsoft team once presented this finding internally about Office 365: "Users who use o | text_image | thought_leadership_expert | 2026-02-27 | 34 | 44 | 1 | 0 |
| Ashley Stirrup | Lukas Vermeer 🃏 talked today at Experimentation Island about how simple stories can resha | text_image | thought_leadership_expert | 2026-02-26 | 3 | 58 | 4 | 0 |
| Ashley Stirrup | The most dangerous animal in your organization isn't a bad idea. It's a senior leader with | text_image | thought_leadership_expert | 2026-02-26 | 10,648 | 59 | 6 | 2 |
| Ashley Stirrup | Great session on “How to scale your experimentation program” session at Experimentation Is | text_image | thought_leadership_expert | 2026-02-25 | 31 | 38 | 2 | 0 |
| Ashley Stirrup | 92% of experiments at Airbnb failed to move the metrics they were designed to improve.
Ro | text_image | thought_leadership_expert | 2026-02-24 | 4 | 28 | 3 | 2 |
| Ashley Stirrup | You never know where your next home run idea will come from.
That's not a platitude. It's | text_document | thought_leadership_expert | 2026-02-23 | 24 | 30 | 3 | 0 |
| GrowthBook | What makes an experimentation program an engine for long-term growth?
We’re excited to h | text_only | thought_leadership_expert | 2026-01-29 | 8,334 | 25 | 1 | 2 |
| GrowthBook | Looking for some A/B testing content to watch this weekend 👀
Ron Kohavi has compiled a | text_only | thought_leadership_expert | 2025-09-12 | 496 | 4 | 0 | 0 |
| GrowthBook | Love this! Rudger de Groot makes a great case for Holdouts (part of our latest 4.1 release | text_only | thought_leadership_expert | 2025-09-09 | 230 | 2 | 0 | 0 |