Extended DISC Personal Analysis 
                               – 
                     Validation Report 2015 
                                 
                                 
                                 
                                 
                                 
                                                
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
        Copyright Extended DISC International – No reproduction in any form is allowed without written 
                       permission by Extended DISC Global 
                              Extended DISC Personal Analysis – Validation Report 2015 
                               
                              Extended DISC Personal Analysis – Validation Report 2015 
                               
                               
                              1         EXTENDED DISC PERSONAL ANALYSIS - VALIDATION SUMMARY.......................................................4 
                              2         PREFACE.................................................................................................................................................................................7 
                              3         INTRODUCTION..................................................................................................................................................................8 
                                   3.1            PURPOSE OF THE VALIDATION REPORT.......................................................................................................................8 
                                        3.1.1          Research coverage and use.....................................................................................................................................8 
                                        3.1.2          Data Collection.........................................................................................................................................................8 
                                   3.2            HISTORY OF EXTENDED DISC PERSONAL ANALYSIS...............................................................................................9 
                              4         ORIGINAL VALIDATION STUDY............................................................................................................................. 11 
                                   4.1            SUMMARY......................................................................................................................................................................12 
                                   4.2            ABOUT THE EXTENDED DISC PERSONA MANAGEMENT SYSTEM........................................................................12 
                                   4.3            ABOUT THE VALIDATION PROCESS............................................................................................................................15 
                                   4.4            DESCRIPTIVE STATISTICS............................................................................................................................................17 
                                   4.5            VALIDITY.......................................................................................................................................................................20 
                                   4.6            CRITERION VALIDITY...................................................................................................................................................23 
                                   4.7            RELIABILITY..................................................................................................................................................................27 
                                   4.8            REFERENCES.............................................................................................................................................................31 
                              5         OVERALL RESULTS....................................................................................................................................................... 32 
                                   5.1            GLOBAL POPULATION..................................................................................................................................................32 
                                        5.1.1          Global Distribution – DISC................................................................................................................................. 33 
                                        5.1.2          Global Distribution – DISC by Age Group....................................................................................................... 35 
                                        5.1.3          Global Distribution – DISC vs. Gender............................................................................................................. 38 
                                   5.2            LANGUAGE DISTRIBUTION..........................................................................................................................................39 
                                        5.2.1          DISC Distribution by Language.......................................................................................................................... 39 
                                        5.2.2          “Sister language” Comparison – DISC Distribution......................................................................................45 
                                        5.2.3          DISC Distribution by Language vs. Age Group............................................................................................... 48 
                                        5.2.4          DISC Distribution by Language vs. Gender..................................................................................................... 51 
                              6         VALIDITY AND RELIABILITY................................................................................................................................... 53 
                                   6.1            TEST-RETEST.................................................................................................................................................................53 
                                   6.2            INVALID PROFILES........................................................................................................................................................56 
                                   6.3            COMPARISON OF RANDOM POPULATIONS.................................................................................................................58 
                                   6.4            LEAST “HIT-RATE IN DIFFERENT LANGUAGES.........................................................................................................59 
                                   6.5            LEAST HIT-RATE IN DIFFERENT LANGUAGES FOR EACH DISC TRAIT..................................................................60 
                                   6.6            DOMINATING ‘LEAST’ RESPONSE IN EACH QUESTION...........................................................................................61 
                                   6.7            QUESTION VALIDITY AND WORD CHOICES..............................................................................................................62 
                                   6.8            CONSTRUCT VALIDITY.................................................................................................................................................62 
                                   6.9            INTERNAL CONSISTENCY..............................................................................................................................................63 
                              7         NATIONAL STRESS INDICATOR™.......................................................................................................................... 65 
                              8         SPECIAL CASES ................................................................................................................................................................ 67 
                              9         DEVICE DETECTION...................................................................................................................................................... 68 
                              10        PROFILE II VS. PROFILE I........................................................................................................................................... 70 
                              11        INVENTORY ADMINISTRATION.............................................................................................................................. 73 
                                   11.1           STEP-BY-STEP................................................................................................................................................................73 
                                   11.2           GENERAL INSTRUCTIONS FOR THE FACILITATOR (PAPER QUESTIONNAIRE).........................................................74 
                                   11.3           GENERAL INSTRUCTIONS FOR THE FACILITATOR (ONLINE)....................................................................................74 
                                   11.4           GENERAL INSTRUCTIONS FOR THE RESPONDENT.....................................................................................................75 
                              12        INVENTORY REPORTING........................................................................................................................................... 76 
                              13        INVENTORY BIAS............................................................................................................................................................ 78 
                                                                                                                                 
                                                                                 EXTENDED DISC – INFORMATION YOU NEED 
                                                                                                                             
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                             Extended DISC Personal Analysis – Validation Report 2015 
                             14       OUR ETHICS....................................................................................................................................................................... 79 
                                 14.1           CODE OF FAIR TESTING PRACTICES...........................................................................................................................79 
                                      14.1.1             Section 1: Responsibilities of Those Who Develop Assessment Products and Services......................79 
                                      14.1.2             Section 2: Responsibilities of Those Who Market and Sell Assessment Products and Services.........80 
                                      14.1.3             Section 3: Responsibilities of Those Who Select Assessment Products and Services...........................81 
                                      14.1.4             Section 4: Responsibilities of Those Who Administer Assessments.........................................................82 
                                      14.1.5             Section 5: Responsibilities of Those Who Score Assessments..................................................................82 
                                      14.1.6             Section 6: Responsibilities of Those Who Interpret, Use, and Communicate Assessment Results.....83 
                                      14.1.7             Section 7: Responsibilities of Those Who Educate Others About Assessments.....................................84 
                             15       SUPPORT MATERIAL.................................................................................................................................................... 85 
                             16       FREQUENTLY ASKED QUESTIONS........................................................................................................................86 
                                 16.1           EXTENDED DISC THEORY RELATED QUESTIONS.....................................................................................................86 
                                 16.2           EXTENDED DISC PERSONAL ANALYSIS QUESTIONNAIRE RELATED QUESTIONS................................................88 
                                 16.3           EXTENDED DISC PROFILE AND DIAMOND RELATED QUESTIONS..........................................................................91 
                                                                                                                            
                                                                              EXTENDED DISC – INFORMATION YOU NEED 
                                                                                                                         
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                        Extended DISC Personal Analysis – Validation Report 2015 
                         
                        1  Extended DISC Personal Analysis - Validation Summary 
                         
                         
                        Research population 
                         
                        The population was collected from the users of the Extended DISC System from around the world.  
                        The population represents all the age groups, genders, organization types and levels and races in 
                        the same ratio it is designed to be used. 
                         
                        The total population used for the research was 239.171.  The size of the main comparison 
                        population (2011 validation population) was 89.504. 
                         
                        The language versions of Extended DISC Personal Analysis for the study were (the language 
                        codes used in this study): 
                         
                          - Albanian (ALB)                                                                - Hungarian (HUN) 
                          - Arabic (ARA)                                                                  - Indonesian (IND) 
                          - Bulgarian (BUL)                                                               - Italian (ITA) 
                          - Catalan (CAT)                                                                 - Japanese (JAP) 
                          - Chinese (Hong Kong) (CHK)                                                     - Kannada (KAN) 
                          - Chinese Simplified (CHI)                                                      - Korean (KOR) 
                          - Chinese (Traditional) (TWN)                                                   - Kurdish (KUR) 
                          - Croatian (CRO)                                                                - Latvian (LAT) 
                          - Czech (CZE)                                                                   - Lithuanian (LIT) 
                          - Danish (DAN)                                                                  - Macedonian (MAC) 
                          - Dutch (HOL)                                                                   - Malay (MAL) 
                          - English (Australasia) (AUS)                                                   - Maori (MAO) 
                          - English (Canada) (ECA)                                                        - Marathi (MAR) 
                          - English (Caribbean) (ENC)                                                     - Norwegian (NOR) 
                          - English (India)                                                               - Polish (POL) 
                          - English (Nigeria) (NIG)                                                       - Portuguese (Brazil) (POB) 
                          - English (South Africa) (RSA)                                                  - Portuguese (Portugal) (POR) 
                          - English (US) (ENG)                                                            - Romanian (ROM) 
                          - English (UK) (EUK)                                                            - Russian (Kazakhstan) (KAZ) 
                          - Estonian (EST)                                                                - Russian (RUS) 
                          - Finnish (FIN)                                                                 - Slovak (SLK) 
                          - Flemish (FLE)                                                                 - Slovene (SLN) 
                          - French (Canada) (FCA)                                                         - Spanish (Caribbean) (SPC) 
                          - French (Caribbean) (FRR)                                                      - Spanish (Spain) (SPA) 
                          - French (France) (FRA)                                                         - Spanish (Latin America) (SPL) 
                          - German (Austria)                                                              - Swahili (SWA) 
                          - German (GER)                                                                  - Swedish (Finland) (SWF) 
                          - German (Switzerland)                                                          - Swedish (Sweden) (SWE) 
                          - Greek (GRE)                                                                   - Thai (THA) 
                          - Gujarati (GJR)                                                                - Tok Pisin (TPI) 
                          - Hebrew (HEB)                                                                  - Turkish (TUR) 
                          - Hindi (HIN)                                                                   - Vietnamese (VIE)
                         
                         
                                                                                                        
                                                                 EXTENDED DISC – INFORMATION YOU NEED 
                                                                                                     
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