International Business Machines Corporation

Julian Bertram Kuehnert

Girmaw Abebe Tadesse

Skyler Speakman

William Ogallo

Described are techniques for A/B testing including a computer-implemented method of identifying, in an A/B testing database, a set of feature values with a statistically significant difference in A/B testing outcomes above a threshold. The method further includes partitioning records in the A/B testing database into a plurality of population strata according to the set of feature values. The method further includes performing A/B testing, and identifying heterogeneous outcomes of the A/B testing for respective strata of the plurality of population strata.

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Nairobi, Kenya

Julian Bertram Kuehnert