by James DeLapa | Jan 23, 2025 | Blog, CRO
How to Calculate Expected Lift Range in Google Sheets Why Expected Lift Range Matters Before you launch a test, it helps to know what kind of performance improvement you are actually hoping to detect. That is where expected lift range comes in. It gives you a...
by James DeLapa | Jan 16, 2025 | Blog, CRO
How to Calculate Test Duration in Google Sheets Why Test Duration Should Never Be a Guess One of the most common mistakes in CRO is ending a test too early. If your test does not run long enough to reach the required sample size, your results will not be statistically...
by James DeLapa | Jan 9, 2025 | Blog, CRO
How to Calculate Confidence Intervals in Google Sheets Why Confidence Intervals Are Worth Paying Attention To Calculating confidence intervals is a critical practice, especially when your decisions hinge on the accuracy of your estimates. Whether you are measuring...
by James DeLapa | Jan 2, 2025 | Blog, CRO
How to Calculate Minimum Detectable Effect in Google Sheets Key Takeaways Minimum Detectable Effect (MDE) defines the smallest improvement you want to detect with confidence in an A/B test. Aligning on MDE before launch helps teams avoid premature conclusions and...