The Personal Profile (DISC) The Personal Profile is based on an historic four-temperament model that goes as far back as the Greek physician Hippocrates (460–370 BC). Later Galen (AD 131–200), who was a physician and a philosopher, came up with the terms choleric, sanguine, phlegmatic, and melancholy, which are still used today to describe temperament. The current tool that reflects Galen’s model is the Personal Profile or DISC, an acronym for the four behavioral temperaments: dominance, influence, steadiness, and conscientiousness. The following provides a brief look at these four
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