Latest / Marketing Automation with Fexingo: HubSpot, Marketo, and Automated Customer Journeys
How Marketing Automation A-B Tests Hide Sample Size Traps
In Episode 39 of Marketing Automation with Fexingo, Lucas and Luna uncover a subtle but costly flaw in how most marketers run A/B tests inside HubSpot, Marketo, and similar platforms. They walk through a real example from a mid-market SaaS company that ran a subject-line test with 12,000 recipients — and were ready to declare a winner after 48 hours. Lucas explains why that decision was probably wrong, introducing concepts like minimum detectable effect, baseline conversion rate, and statistical power without the jargon overload. The hosts discuss why most automation platforms default to a…
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