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How Nyholt’s Method Makes Scientific Testing More Reliable

1 Apr 2025

Nyholt’s method improves statistical efficiency by refining error rates and sample size calculations, offering an alternative to Bonferroni-type corrections.

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Evaluating False Positives and Sequential Testing in Experimentation

1 Apr 2025

Analyzing false positive rates & impacts of sequential deterioration tests on statistical accuracy using Monte Carlo simulations and Group Sequential Testing.

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How to Improve Accuracy in Success and Safety Testing

31 Mar 2025

Improving efficiency in hypothesis testing by minimizing overlap in rejection regions for success and guardrail metrics in superiority and inferiority tests.

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Spotify’s Approach to Multi-Metric A/B Testing Decisions

31 Mar 2025

A decision rule framework improves A/B testing by balancing statistical rigor and practicality, ensuring reliable product decisions with controlled error rates.

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Ensuring Reliable A/B Test Decisions with Guardrail Metrics

30 Mar 2025

Learn how UI & IU testing principles, Bonferroni corrections, & power adjustments ensure accurate A/B test decisions with multiple success & guardrail metrics.

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How Companies Decide Which Product Changes to Keep or Scrap

30 Mar 2025

Learn how Spotify’s Decision Rule 2 integrates deterioration and quality metrics to improve A/B test validity and prevent regressions in online experiments.

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The Four Key Metrics in A/B Testing

30 Mar 2025

Spotify standardizes A/B testing with success, guardrail, deterioration, and quality metrics to refine product experimentation and minimize risk.

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How Spotify Standardizes Multi-Metric Experiment Analysis

30 Mar 2025

Exploring decision theory, OECs, and clinical trial methods to improve A/B testing. Learn how Spotify standardizes multi-metric experiment analysis.

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Evaluating A/B Testing Decision Rules with Monte Carlo Simulations

30 Mar 2025

Monte Carlo simulations analyze the impact of alpha & power corrections in A/B test decision rules, optimizing error rates for better statistical reliability.