Yes, that's the same link I found, Dottie. We must Google the same terms! LOL!

But I just don't really trust the primary source they're quoting there. It sounds very negative about GTness. I'd like a more pro-GT source, especially since most of the things I've found indicate a lower-than-average IQ in the prison population. (And that's a factoid that fits with my common sense take on it...)
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Kriston
Mom to DS13 and DS10