What does Group-sequential Design mean?

Definition of Group-sequential Design in the context of A/B testing (online controlled experiments).

What is Group-sequential Design?

For a definition of Group-sequential Design see Sequential Testing.

Related A/B Testing terms

AGILE A/B Test Error-Spending Function Optional Stopping Alpha-Spending Beta-Spending Average Sample Size Adaptive Sequential Design

Articles on Group-sequential Design

Improving ROI in A/B Testing: the AGILE AB Testing Approach
blog.analytics-toolkit.com

Efficient AB Testing with the AGILE Statistical Method
blog.analytics-toolkit.com

20-80% Faster A/B Tests? Is it real?
blog.analytics-toolkit.com

Efficient A/B Testing in Conversion Rate Optimization: The AGILE Statistical Method
www.analytics-toolkit.com

Sequential Testing is About Improving Business Returns
blog.analytics-toolkit.com

Comparison of the statistical power of sequential tests: SPRT, AGILE, and Always Valid Inference
blog.analytics-toolkit.com

Fully Sequential vs Group Sequential Tests
blog.analytics-toolkit.com

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