DiSC^® Research Report 

The Everything DiSC model and underlying assessment construct has been extensively studied and validated over the years by Wiley and other research entities.

The latest research report, originally published in 2013 and more recently updated in 2021, contains information about the assessment research conduct on the DiSC model. It looks closely at the validation process, its validity and reliability, and it provides a summary of validation results.

Overall, the Everything DiSC model is proven to be highly reliable and valid. The Everything DiSC assessment is taken by over 1,000,000 people worldwide per year.

You can download a copy of the latest research report here.