Design a multivariate test
Run multivariate tests
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Design a multivariate test for [landing page / email / onboarding flow] to optimize [primary metric]. Identify 3 elements to test simultaneously (e.g., headline, hero image, CTA button). Define all combinations, required sample size for each cell, minimum detectable effect, test duration, and how to analyze results to distinguish individual element effects from interaction effects. Recommend a testing tool.
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Pour éviter l’explosion combinatoire, limitez-vous à 3 variantes par élément (27 cellules max). Avec un trafic faible, préférez un plan factoriel fractionnaire ou des tests A/B séquentiels : l’effet minimum détectable sera plus réaliste. Incluez toujours un groupe contrôle inchangé pour mesurer l’effet global, puis analysez avec une ANOVA à plusieurs facteurs afin d’isoler les interactions.
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