For the complete documentation index, see llms.txt. This page is also available as Markdown.

Writing an A/B Test Planning Document

When designing an A/B Test, using this One-Pager template will help you plan and prepare more thoroughly and extract valuable lessons learned.

Items marked with (*) are required — try to prepare your experiment following the examples as closely as possible.

Experiment Preparation

Order
Category
Description / Example
1

Problem identified *

Product list views are high, but the product click-through rate is low.

2

Analysis and definition for problem-solving *

Add qualitative and quantitative data

3

Hypothesis definition for the solution *

Displaying the discount rate on the product list will increase the click-through rate.

4

Experiment duration

Approximately 2 weeks

5

User distribution timing *

Distribute at the point when users view the product list

Experiment Execution

Order
Category
Description / Example
1

Changes applied *

Group A: Control (no change) Group B: Treatment (change applied)

2

Target description *

All users

3

Success metric *

Which metric needs to improve or decrease for this experiment to be a success

  • Product click-through rate (click_product / view_product_list)

4

Supporting metrics

Add any additional metrics worth monitoring together.

  • Add-to-cart rate (click_add_cart / view_product_detail)

  • Purchase conversion rate (complete_purchase / view_product_detail)

5

Guardrail metrics

Consider metrics that must be maintained during the experiment.

  • Order cancellation rate, Retention, etc.

6

URL where the experiment can be verified

Post-Experiment

Order
Category
Description / Example
1

Experiment results *

Winner group: Group B

2

What can we learn if Group A wins?

3

What can we learn if Group B wins?

If the click-through rate increased after showing the discount rate, users are highly price-sensitive.

4

Based on these learnings, consider a follow-up test topic.

If users are price-sensitive, should we try sorting by discount?

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