What does External Validity mean?

Definition of External Validity in the context of A/B testing (online controlled experiments).

What is External Validity?

For a definition of External Validity see Generalizability.

Related A/B Testing terms

Learning EffectSeasonalityNovelty EffectCookie ChurnSurvivorship BiasSelection Bias

Articles on External Validity

Representative samples and generalizability of A/B testing results
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