> For the current research, a set of 30 “core” news questions was developed
Right. Let's talk about statistics for a bit. Or let's put it differently: they found in their report that 45% of the answers for 30 questions they have "developed" had a significant issue, e.g. inexisting reference
I'll give you 30 questions out of my sleeve where 95% of the answers will not have any significant issue.