I was very surprised by the 55 out of 100 statistic.
I suspect the author is telling porkies. I can't imagine that many people will have difficulty reading this. It's more like a party trick, than an actual scientific example, imo.
LabRat
Athos: If you'd told us what you were doing, we might have been able to plan this properly. Aramis: Yes, sorry. Athos: No, no, by all means, let's keep things suicidal.