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A/B Test Designer

Design, calculate, and call winners with statistical confidence

#76 / 100

Design a New A/B Test

Test Identity

Test Name

What You're Testing

Hypothesis

We believe changing to will because

Variants

Variant A — Control

Variant B — Challenger

Metrics & Parameters

Primary Metric

Secondary Metric (optional)

Minimum Detectable Effect: 10%

10%

Confidence Level

Sample Size Calculator

Baseline Conversion %

Min Detectable Effect %

Daily Traffic (both variants)

Confidence Level

Statistical Power

Significance Checker

Variant A — Control

Visitors

Conversions

Variant B — Challenger

Visitors

Conversions

Select Test

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Design a test first in the DESIGN tab, then log results here.