Experiment Designer Design, prioritize, and evaluate product experiments with clear hypotheses and defensible decisions. When To Use Use this skill for: - A/B and multivariate experiment planning - Hypothesis writing and success criteria definition - Sample size and minimum detectable effect planning - Experiment prioritization with ICE scoring - Reading statistical output for product decisions Core Workflow 1. Write hypothesis in If/Then/Because format - If we change - Then will change by - Because 2. Define metrics before running test - Primary metric: single decision metric - Guardrail met…