Grace Ge
Grace Ge
Building systems for better decisions.
Building systems for better decisions.
Decision Systems Toolkit
A/B Test Calculator Example 02
Was 8 More Sign-Ups a Real Result?
Decision Systems Toolkit
A/B Test Calculator Example 02
Was 8 More Sign-Ups a Real Result?
One trial-length test.
An 18.6% lift on paper.
A test that was never built to see it.
One trial-length test.
An 18.6% lift on paper.
A test that was never built to see it.
See it in action
An 8-person gap looked like an 18.6% lift. This example shows why that gap sat inside the test's own noise — and why the sample size, not the result, was the real limit.
An 8-person gap looked like an 18.6% lift. This example shows why that gap sat inside the test's own noise — and why the sample size, not the result, was the real limit.
Part of the Decision Systems Toolkit.
Runs entirely in your browser.
No installation required.
Part of the Decision Systems Toolkit.
Runs entirely in your browser.
No installation required.
Looking for more examples?
Built by Grace Ge
Built by Grace Ge
Building systems for better decisions.
Building systems for better decisions.