Experiment Readout - Catching a False Positive by Mo RahmanExperiment Readout - Catching a False Positive by Mo Rahman

Experiment Readout - Catching a False Positive

Mo Rahman

Mo Rahman

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Posted Aug 25, 2026

Sample analysis: daily peeking + early stop inflates false wins to 19.7% (~4x nominal). Guardrail check: unsubscribes doubled. Don't ship — retest properly.