"Most of the researches about this issue come up with the fact that when they get separated .. the educational level is getting higher and the ability to understand the subjects is even better."

wow!! thats really suprising to hear! i never stumble with that fact while browsing through my educational field research papers! hhhhhhhhhmmmm......thats strage!

yeah, i'm gonna add that on my list and share it with my collugues. dont worry, i'll add the "no offense" part for you....:)