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This isn't "my" site, so I don't really care what you do.  Take this as an observation from a bystander.

It seems to me you're trying to put a rather fine point on two broad classes of questions.  It's not clear what problem you're trying to solve by dividing the site into ordinary questions and researched questions.  Doing so only makes sense if there are significant numbers of users that would mostly visit one and ignore the other.  Chances are, that's not the case.

Another possible reason is to make it clear what kinds of answer are expected to a particular question, but there are many such attributes, and this can be easily enough stated right in the question.

So, is whatever problem you're trying to solve really worth the confusion, endless arguments, and extra mechanics caused by splitting the site into two catagories?  My outsider initial impression is "no".