Course overview
Marketing teams regularly change landing pages, campaign messages, offers, onboarding journeys and media allocations without knowing whether the change caused the result. A/B testing provides a disciplined way to distinguish genuine incremental impact from seasonality, channel mix shifts, random variation and tracking errors. Done poorly, experiments can waste traffic, misstate results, damage customer experience or promote local conversion gains that reduce margin, retention or trust.
This course teaches participants how to build and run credible marketing experiments from question selection through decision reporting. Participants learn to frame falsifiable hypotheses, select primary and guardrail metrics, design randomised tests, calculate sample sizes, set stopping rules and assess statistical and commercial significance. The course covers website, email, CRM, paid media, pricing, promotion and personalisation tests, including situations where user-level randomisation is not feasible. It also addresses instrumentation, data quality, consent, experiment governance, segmentation and incrementality measurement.
Instruction combines concise technical briefings with worked marketing cases, group analysis of experiment designs, test-readout reviews and simulations of common decisions such as whether to stop, scale or rerun a test. Participants produce a reusable experimentation pack: a prioritised experiment backlog, hypothesis and measurement plan, sample-size calculation, launch checklist, analysis scorecard and first-test application plan. The course is suitable for marketing, product, growth, CRM, analytics and customer experience professionals who need to make evidence-based decisions from digital customer data.