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 termsLearning EffectSeasonalityNovelty EffectCookie ChurnSurvivorship BiasSelection Bias
Articles on External Validity
Representative samples and generalizability of A/B testing results