Uit het artikel And Behind Door No. 1, a Fatal Flaw een 'leuk' verhaal over de kwaliteit van het rekenwerk in psychologisch onderzoek, in dit geval specifiek over het onderzoek dat is uitgevoerd over cognitieve dissonantie.
The Monty Hall Problem has struck again, and this time it’s not merely embarrassing mathematicians. If the calculations of a Yale economist are correct, there’s a sneaky logical fallacy in some of the most famous experiments in psychology.
En ja, dat klopt :D
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.