DiSC® Classic 
              Validation Report 
                                                                                                                        VALIDATION REPORT
                                                  
                 
                                                                                          
                DISC® Classic  
                Validation Report Table of Contents 
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                Introduction to the DiSC  Model......................................................................................................3 
                The Validation Process....................................................................................................................4 
                Reliability.........................................................................................................................................5 
                Validity.............................................................................................................................................7 
                   Construct Validity.........................................................................................................................7 
                   Scale Intercorrelations .................................................................................................................7 
                   Multidimensional Scaling of the DiSC Scales...............................................................................8 
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                   Factor Analysis of the DiSC  Items..............................................................................................9 
                   Correlations with Other Instruments.............................................................................................9 
                   Comparing Scale Scores with Respondent Self-Perceptions.....................................................12 
                   Comparing Scale Scores with Respondent Attitudes.................................................................13 
                Norms and Group Comparisons....................................................................................................17 
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                Scoring of the DiSC  Profile..........................................................................................................20 
                Appendix 1.....................................................................................................................................23 
                Appendix 2.....................................................................................................................................24 
                Appendix 3.....................................................................................................................................27 
                Appendix 4.....................................................................................................................................28 
                Appendix 5.....................................................................................................................................29 
                References....................................................................................................................................30 
                ©2008 by Inscape Publishing, Inc. All Rights Reserved. Copyright secured in the US and foreign countries.                                       
                “DiSC,” “Inscape Publishing,” and the Inscape logo are registered trademarks of Inscape Publishing, Inc. 
                 
                                                                                                                        VALIDATION REPORT
                                                  
                 
                 
                ©2008 by Inscape Publishing, Inc. All Rights Reserved. Copyright secured in the US and foreign countries.                                       
                “DiSC,” “Inscape Publishing,” and the Inscape logo are registered trademarks of Inscape Publishing, Inc.