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Experimentation Plan (A/B Test Design)

Business analysisDigital and data

Reference model

A/B Test Design StepsA sequence of 6 steps, read from the first to the last: 1, Define Objective; 2, Identify Variations; 3, Determine Sample Size; 4, Run the Test; 5, Analyze Results; 6, Implement Findings.Define ObjectiveWhat do you want to learn fromthe test?1Identify VariationsWhat are the differentversions to test?2Determine Sample SizeHow many users willparticipate in the test?3Run the TestImplement the variations andcollect data.4Analyze ResultsWhich variation performedbetter?5Implement FindingsApply the winning variation toimprove performance.6

A/B testing allows for informed decision-making based on real user data.

About this model

A systematic method for testing variations to optimize performance based on user behavior and preferences.

Originator not stated.

How to read it

  • Focus on the defined metrics to evaluate success.
  • Ensure that the sample size is adequate for statistical significance.

What this does

Creates a structured approach to test two or more variations of a digital asset to determine which performs better against a defined metric.

When to use it

Use it when you want to make data-driven decisions by comparing different versions of a webpage, email, or other digital content.

Not when: Do not use it when the sample size is too small to yield statistically significant results or when the variations are not clearly defined.

What happens next

Analyze the results and implement the winning variation.

Golden thread

Builds on ←

  • Previous test results
  • User behavior analysis

Feeds into →

  • Implementation plan

Use this tool, free

Sign in to open the worksheet. Your work saves as you type, the AI can draft the parts you have not filled in, and you finish with an analysis and a 30/60/90-day action plan.

Drafted with AI and reviewed by Eccellere on 04/11/2026. Guidance, not advice: apply your own judgement.