Erin Weigel

Erin Weigel is an Amsterdam-based Principal Designer, Senior Design Manager, and Conference Speaker. She writes about Conversion Design, UX, A/B Testing, CRO, business, and leadership.

Screenshot of Lukas Vermeer's manual SRM checker at LukasVermeer.nl

Lukas Vermeer’s manual sample ratio mismatch (SRM) cheker Quickly learn if your data is randomized properly or not Simply plug in the sample size you observe for both the control and the treatment groups and learn if there’s likely to be a sample ratio mismatch or not. Randomization is the hidden power behind A/B testing. […]

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Lukas Vermeer’s manual sample ratio mistmatch (SRM) checker

Screenshot of Speero's A/B tesing tool comparison website

Speero’s A/B testing tool comparison website Helping you find the right experimentation tool quickly and easily Speero’s A/B testing too comparison website includes a comprehensive list of options. If you’re looking to buy an experimentation platform or an A/B testing tool, check out Speero’s excellent A/B testing tool comparison website. With Speero’s A/B testing tool

A/B testing tool comparison Read More →

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A/B testing tool comparison

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Erin Weigel

Lukas Vermeer’s manual sample ratio mistmatch (SRM) checker

A/B testing tool comparison

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