Research, reliability and validity of DiSC^®

The publisher of DiSC^® assessments, Inscape Publishing, is committed to maintaining the highest standards of instrument development and application through careful research and development processes. All DiSC instruments offer valid scores and accurate feedback to the respondent. Each instrument is designed to provide reasonably accurate interpretations or feedback based on individual scores.

Research and rigorous validation studies by Inscape Publishing have made DiSC psychometric assessments products you can confidently use in business, non-profit, coaching or counseling situations. Research reports are publicly available here.

All reports are provided as PDF files.

Our most popular research reports

Research Report for Adaptive Testing (1.08MB .pdf)
This report provides the validity research for the Everything DiSC assessment profiles, including the Comparison Report.

Everything DiSC^® Application Library Research Report (290KB .pdf)
Research on the Everything DiSC profiles for Management, Sales, Workplace, and the Everything DiSC Comparison Report.

How My Graph Became a Dot (440KB .pdf)
How the newer Everything DiSC circle and dot representation was developed to make the model simpler, more intuitive and more relevant than the classic graph model.

Comparison of DiSC Classic^® and the Meyers-Briggs Type Indicator^® (190KB .pdf)
This report compares DiSC Classic and the MBTI. It explains the theoretical origins of both instruments, elaborates on how they differ in purpose and suggests the appropriate application of each.

Everything DiSC 363^™ for Leaders Research Report (300KB .pdf) and How Everything DiSC^® 363^™ for Leaders Fits into Contemporary Leadership Theory: White Paper (178KB .pdf)
The research behind the first DiSC 360. Includes both extensive validation research and a white paper on how the model fits in with other popular leadership theories.

Additional research reports on DiSC^®

Comparing DiSC^® to MBTI^® (1200KB .pdf)
This brochure explains situations when practitioners will want to use DiSC: Their goal is to get people to work more effectively together; training time is limited; they want follow-up to ensure the training gets used.

DISC^® Validation Research Study (250KB .pdf)
This report covers validation, reliability, validity, norms and scoring of the DiSC Classic profile.

I-Sight^® Research Report (45KB .pdf)
I-Sight has been deemed a highly reliable DiSC instrument for use with teens.

The Personal Profile System and Models of Personality (220KB .pdf)
The Personal Profile System is an earlier name used for DiSC Classic.