With 30 years of proven reliability and over 40 million users, DiSC Classic remains the most trusted learning instrument in the industry. It is used worldwide in dozens of training and coaching applications, including organizational development and performance improvement. DiSC® Classic! DiSC Classic 2.0 answers the growing demand for an online DiSC assessment with a personalized narrative report. The DiSC Classic 2.0 report adds an informal, conversational style that clarifies all the elements of the original instrument. Plus, you’ll get an expanded narrative that brings the much-used Intensity Index to life.