Guy Yalif performed his CH2019 keynote "AI & Personalization Demystified" and spoke about how we can use AI and machine learning, what it is (and isn't) good for in marketing and personalization. After his session, he and Niels Reimer joined me in the café to talk about this! (oorspronkelijk gepubliceerd op https://www.cro.cafe/)
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Recently I've seen some (often absolute) statements going around, generally in the line of "open source commerce platforms are a terrible idea". Now of course different solutions always have different pros and cons.
A hierarchy of evidence (or levels of evidence) is a heuristic used to rank the relative strength of results obtained from scientific research. I've created a version of this chart/pyramid applied to CRO which you can see below. It contains the options we have as optimizers and tools and methods we often use to gather data.