Intermediate level · Module 5: Store Analytics and Conversion · Lesson 3 of 3
Testing Improvements
Change one thing and measure the effect.
In this lesson you will
- Plan an A/B test
- Decide from results
Key concepts
hypothesisA/B testsample sizedecision
The lesson
Write a hypothesis: 'Showing delivery fees on product pages will increase checkouts.'
Test one change at a time, ideally showing versions to similar visitors at the same time.
Run long enough to collect enough orders, then keep the winner and test the next idea.
Step by step
- Write a hypothesis.
- Design the test.
- Set the measure and duration.
- Plan the decision.
Practice activity
Write a test plan for the funnel's biggest drop.
Expected result: A clear, measurable test plan.
Check your understanding
-
Why change one thing at a time?
Show answer
To know what caused the effect.
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What does a hypothesis state?
Show answer
The change and the expected effect.
Taught live by an instructor — online or in person. Free course lessons are for self-study and do not lead to a certificate — see registration options.