Reading an Experiment Readout

Summary

Interpreting a finished test's results — the effect size, confidence interval, and guardrail metrics together — rather than just checking if the headline p-value crossed 0.05.

• 1Practice reading a sample experiment readout and summarizing it in 2 sentences.
• 2Check the guardrail metrics, not just the primary metric, before calling a test a win.
• 3Learn to flag a result that's statistically significant but practically too small to matter.