Maybe all GlaDOS' subtle (and not so subtle) digs at humanity encourages humans to do their best. Or maybe the humorous absurdity of a testing-obsessed "abusiv

Maybe all GlaDOS' subtle (and not so subtle) digs at humanity encourages humans to do their best. Or maybe the humorous absurdity of a testing-obsessed "abusive mom" computer makes people relax more in actual testing situations. I suspect these sorts of aptitude tests get a lot of their power from the intimidation factor.