Probably means that it’s directionally correct. Still shocking. 

 Right?! Even if it's 10% that's still shocking to me.  

 💯 Even if self-reported, it’s remarkable that so many people would report that. 

 That being said, I’m sure a good part of the population is more visually oriented than auditory oriented.

That might have something to do with it. 

I work in sound, so I know where I stand, but I work with a lot of directors and picture editors. 

 yeah, no that's valid information. That's why it's valid for serveys. 

 I think it partly can be explained by the fact that we're wired different. Like me, my best thinking it s made in dialogues and if I don't have that, in writing.