DISC and the MBTI® (Myers-Briggs Type Indicator) are widely used in organisations around the world.
DISC has grown immensely over the past two decades and since DISC instruments are provided through multiple vendors, the exact numbers of instruments used is tough to track.
However, it is predicted that the number of each profile sold annually would be very close.
What each of the models have in common is that they both describe visible behaviour.
