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Jansen
Today is the day that I'm on twitter for year. Time for a celebration! I did some 4600+ post and gained 5300+ followers, not bad I think! Let's see what the next year will bring me :)
Most of my content is published on LinkedIn, so make sure to follow me there!
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.
