[Iulioh]

>it’s a safe assumption that professional researchers thought of it too.

It's a safe assumption that they though of it

BUT

Testing for it and getting useful data of something like a survey is a different story.

For example for a thing like that a survey could do more harm than good if the principles aren't really strict.

It wouldn't surprise me that some researchers could have just ignored not measurable data like that for the analysis. (staring if ofc)