Follow us on Twitter! Friend us on Facebook! Connect with us on LinkedIn! Subscribe to our Blog!

What is DISC?

The DISC system is a personality evaluation method involving 4 personality types.

If we told you that all personalities can be described by varying degrees of only four major personality types, would you be doubtful? Ok well let's pose another question. If we told you that all the billions of colors in nature can be made by mixing varying degrees of the 3 primary colors, red, blue and yellow, would you be surprised then too? It's a perfect analogy. It helps to think of the four DISC styles as a "personality palette". Our free DISC test evaluates your unique blend of the four major personality types as they come together to make up the very unique and specific shade that describes YOU.

DISC History

The DISC system of assessing personality characteristics is based upon the work of Dr. William Marston, one of the foremost psychologists of the twentieth century. Dr. Marston extensively studied the characteristics, patterns and responses of thousands of individuals. As a result, he developed an assessment to measure four important behavioral factors. The factors he selected were Dominance, Influence, Steadiness and Compliance, from which DISC takes its name.

Marston wrote "The Emotions of Normal People" as a result of his efforts. Scores of individuals have built upon the works of Dr. Marston over the last 75 years. DISC is a universal language of behavior that has been validated in over 25 countries since Marston introduced the model in 1928. DISC provides a neutral, positive language to allow the discussion of individual behavioral differences; it is not a "label" that is placed on individuals. DISC identifies how four behavioral factors interact and emphasizes the strengths and uniqueness of each individual.

The DISC is the most widely used and universally accepted temperament (personality type) profile of it's kind, has had more validation and reliability studies done than any other similar type assessment, and has been translated into many of the world's known languages. It is race, color, gender and age "blind" and since it only focuses on normal and observable behaviors, it is the instrument of choice for the workplace, home and school environments. It is not a medical evaluation, so it is one of the few behavior assessments available that is legal for pre-hire screening.

About us, The Institute for Motivational Living

For over 25 years, The Institute has developed practical, strategic applications for DISC materials for use in both business and interpersonal relationships. The Institute emphasizes the extension of DISC beyond a simple training or educational program into a life-changing experience. The Personality 24 Question Profile, from which reports are created, represents the cutting edge in the interpretation of individual responses to the DISC profile. It provides for the greatest depth of analysis of individual responses to the DISC profile instrument, leading to the most accurate, in-depth conclusions available.

It is important to note that the results of's free DISC test are based upon the responses entered by the subject, and is designed to provide accurate and authoritative information relating to the subject of personalities. It is distributed with the understanding that the publisher is not engaged in rendering professional psychological services. If expert assistance is required, the advice of a professional, competent person should be sought.

DISC focuses on four dimensions of human personality:

D - Dominance: the "driven" one
I - Influence: the "inspiring" one
S - Stability: the "steady" one
C - Compliance: the "correct" one

While few people are actually pure D, I, S or C styles, reports 41 different combinations including the pure personality types. Are you a creative, "Architect of Worlds" (High C combined with secondary D) like Thomas Edison, or do you have the resolve, tenacity, and detail orientation of a "Trailblazer" (High D combined with secondary C) like Helen Keller?

What is a Personality Style Personality Assessment?

Taking the DISC personality test is a non-judgmental way to understand people's personal way of looking at, and reacting to the world: their individual preferences and modes of perception. Once we understand how we and others think, we can build better relationships, understand what motivates different people and how to lead people, comprehend how people learn, and, in the case of, predict who may prefer and be better suited for certain positions.

For example: have you ever heard someone exclaim, "I could never be a car salesman - too much pressure!" or "I could never be a telemarketer - Too much rejection!"? Both jobs are sales oriented careers, but both are diametrically opposed in the personalities attracted to them. Different people excel in different environments, therefore, looks at the work environment and preferences that people have for the type of work (task vs. interpersonal relations, goal oriented vs. detail oriented assignments), the environment in which they work, and the dealings they will have with other team members and/or customers.

What is the validity and reliability of's personality test?

Our parent company, Institute for Motivational Living continually tests products for both validity and reliability. We have conducted many internal studies, as well as worked with our clientele to do specialized validation and reliability studies specific to that client's needs. In addition, we have also independently had our materials scrutinized for validity and reliability by independent outside tests. Eastern University worked with us to look at DISC reliability and construct validity in the field of education, while Texas State University recently completed a comprehensive validation study - one of the most recent of all DISC studies and with some of the strongest validation findings.

How is the personality test "validated"?

Validation is really just measuring whether an assessment truly measures what it was designed to measure. An example is an IQ (Intelligence Quotient) test. A valid IQ test would accurately measure a person's IQ. A poorly designed IQ test might really be measuring someone's reading level and scores would be based more on this factor rather than IQ. On numerous occassions through our 25 year history, our company has employed various Ph.D's to determine the proper construction and function of our DISC assessment itself.

For more information on DISC, click this link to see a more in-depth technical break down of the system: download What-is-DISC.pdf