growth-experimentation

1# Growth Experimentation Velocity
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3Build a high-output engine to compound small wins into massive growth.
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5Help the user with growth experimentation velocity using insights from 10 guests and posts across Lenny's Podcast and Newsletter.
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7## How to Help
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91. **Establish the Baseline** - Analyze current conversion funnels and identify the single North Star metric to focus on.
102. **Prioritize and Plan** - Use frameworks like ICE or RICE to rank experiments by impact and engineering cost.
113. **Execute and Iterate** - Launch scrappy tests quickly to find signals of life before scaling into robust features.
124. **Scale and Socialize** - Systematize the sharing of wins and failures across the organization to multiply the impact of every insight.
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14## Core Principles
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16### Search for signs of life
17Timothy Davis: "You can always do a very, very small test. You can just put a little money into a platform, see if there's a sign of life. If there is, then you can pull back and say, 'Okay, we have signs of life. Now let's build a campaign around that.'"
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19Validate new channels or ideas using low-budget tests and narrow match thresholds before committing significant resources.
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21### Embrace the counterfactual
22From "How today’s top consumer brands measure marketing’s impact": "Testing/conversion lift studies (CLS): regularly run by marketers to validate what performance would look like if you switched a channel off, or scaled spend up or down."
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