Experimental Mind: data not opinions

🔎 Interesting reads you probably missed

John McTavish explains that experimentation is a core skill for product managers or early-stage founders. He dives into experiment best practices and how they apply to startups at each stage.

The more wrong you are at the beginning, the more right you become later.

One of the key benefits of experimentation is preventing incorrect assumptions from being fully implemented. It saves you the trouble of building something wrong and spending too much time on the wrong objectives.

Being wrong is a learning and decision-making tool that saves you time and money long-term.

Article Zezhong Zhang from eBay about a powerful meta-analysis method called "weighted z-test".

The weighted z-test brings several benefits at zero cost. By leveraging all the collected samples in different experiments, the z-test makes the combined readout more powerful, producing the effectiveness of a much larger and more robust experiment.

If you ask 75 research teams whether increased immigration decreases public support for the welfare state, you will get very different results. And ... it is not clear why the results differ.

🚀 Job opportunities

All featured roles:

• CRO Specialist at viaBovag (Utrecht, Netherlands)

• Marketing Manager, Subscription eCommerce & Onsite Conversion at The Washington Post (USA)

• Experimentation & Causal Inference Intern at Netflix (Los Gatos, USA)

• Sr Data Scientist Experimentation at Skyscanner (London, UK)

• CRO Specialist (Netherlands)

There are 84 other opportunities on ExperimentationJobs.com!

Are you hiring? Submit a link here

📅 Upcoming events

📍 London, 8th December 2022

Only three events left in 2022:

• 18-20 Nov: Conversion Hotel (Texel, the Netherlands)

• 29 Nov: CRAP Talks #20 (London, United Kingdom)

• 8 Dec: Experimentation Elite (London, United Kingdom)

Also checkout the full overview for inspiration for 2023.

💬 Quote of the week

“I have not failed. I’ve just found 10,000 ways that won’t work.” — Thomas Edison

😄 Fun of the week

Mars Wrigley is removing the treat from some tubs after finding 40% of people hate the coconut-filled sweet.

👍 Thank you for reading

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Have a great week — and keep experimenting.