HistoPol (#HP) 🏴 🇺🇸 🏴No, not quite. - If you check into the #Atlantic article, a #DarkTriad becomes a #DarkTetrad if a person also is a #Sadist, too.
In other words, a #DarkTriad will be a subset of a #DarkTetrad, but not all #DarkTriads (quite a few, actually) will be #DarkTetrads, too. ,)
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