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Multivariate Testing

Testing multiple changes at once. This section explains Multivariate Testing, an advanced technique where you test combinations of changes (e.g., 2 subject lines x 2 images x 2 CTAs = 8 total versions) to see which combination works best.

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Questions about Multivariate Testing

What is multivariate testing (MVT) in email? How does MVT differ from A/B testing? When should I use MVT instead of A/B testing? What are the challenges of running MVT? What sample size is needed for MVT?