Experiment Readout — Five Arms, No Winner, One Real Finding by Mo RahmanExperiment Readout — Five Arms, No Winner, One Real Finding by Mo Rahman

Experiment Readout — Five Arms, No Winner, One Real Finding

Mo Rahman

Mo Rahman

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Posted Aug 25, 2026

Sample analysis: 5-arm test's apparent win (p=.0438) failed correction, CI crossed zero. Real effect found in mobile segment — retest, don't ship it.