Chrome-Stats extension
A/B Pre-test Calculator by Speero
Speero's A/B Pre-test Calculator helps you answer vital pre-test questions like MDE, sample size, duration, and more.
What is A/B Pre-test Calculator by Speero?
Stats
- storage
- identity
- https://accounts.google.com/o/oauth2/token
Chrome-Stats Rank
Other platforms
Summary
Speero's A/B Pre-test Calculator helps you answer all important pre-test questions like:
— What is the minimal detectible effect I can test for? — How long should I test for considering the effect? — What's the sample size?
— How to use Speero's A/B Pre-test Calculator? —
Type in the number of weekly sessions or users, conversions, and a number of test variants, and see if your website has the capacity to test your ideas.
Or just sign in with Google Analytics and let Speero’s calculator get the results for you.
Speero’s A/B Pre-test Calculator is pre-defined for 2 variants (including control), confidence of 95% and statical power of 80%.
— Why Speero’s A/B Pre-test Calculator? —
Safety
Risk impact
A/B Pre-test Calculator by Speero may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.
Risk likelihood
A/B Pre-test Calculator by Speero is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.
Screenshots
Promo images
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