ab-test-analysis

Analyze A/B test results for statistical significance and decision recommendations.

Updated Mar 16, 2026
One-click install
npx skills add https://github.com/runchr-com/pm-skills-gemini --skill ab-test-analysis-runchr-com
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ab-test-analysis
Source: https://github.com/runchr-com/pm-skills-gemini/tree/main/.gemini/skills/ab-test-analysis
Command: npx skills add https://github.com/runchr-com/pm-skills-gemini --skill ab-test-analysis-runchr-com

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps product managers and data analysts rigorously evaluate A/B test results, ensuring data-driven decisions are made based on statistical significance and practical impact.

Core Features & Use Cases

  • Statistical Significance: Calculates p-values and confidence intervals to determine if observed differences are statistically significant.
  • Sample Size & Duration Validation: Checks if the test had adequate sample size and ran for a sufficient duration to yield reliable results.
  • Guardrail Metric Monitoring: Assesses the impact on secondary metrics to prevent unintended negative consequences.
  • Decision Recommendations: Provides clear recommendations (Ship, Extend, Stop, Investigate) based on the analysis.
  • Use Case: After running an A/B test on a new feature, use this Skill to understand if the variant truly improved the conversion rate and if it's safe to roll out.

Quick Start

Analyze the A/B test results for the 'new-checkout-flow' experiment.

Frequently Asked Questions about ab-test-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I analyze A/B test results for statistical significance?

Analyze A/B test results by calculating p-values and confidence intervals to determine if observed differences between variants are statistically significant. This validates whether the experiment outcome is reliable rather than due to random chance.

What is the best way to validate A/B test sample size and duration?

Validate A/B test sample size and duration by checking if the experiment gathered adequate data volume and ran long enough to yield reliable results. This ensures the statistical significance calculations are trustworthy for decision making.

How do I interpret split test data to decide on shipping a variant?

Interpret split test data by evaluating statistical significance, practical impact, and guardrail metrics. The analysis provides clear decision recommendations—Ship, Extend, Stop, or Investigate—based on the experiment outcomes.

Can I monitor guardrail metrics during experiment analysis?

Yes, you can monitor guardrail metrics during experiment analysis to assess the impact on secondary metrics. This prevents unintended negative consequences when evaluating product metrics and deciding whether to ship a variant.

Do I need Python to generate scripts for raw A/B test data?

No, Python script generation for raw data is optional. The core experiment analysis calculates statistical significance, sample size, and confidence intervals without requiring custom Python scripts.

Why does my A/B test result show no statistical significance?

An A/B test result may show no statistical significance due to inadequate sample size, insufficient test duration, or negligible differences between variants. Extending the experiment or investigating guardrail metrics can help clarify the outcome.