5 Uncomfortable A/B Testing Questions
ConversionXL
JANUARY 22, 2015
You ran a test, and had a solid winner – the sample size was adequate, test ran for 2 business cycles, confidence level was above 95% – and the lift was like 10%. You’re confident in the result – and implement the winner on your site. Now 3, 6 or 12 months go by. Is the lift still there? “[link].
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