A STUDY ON THE EFFECTIVENESS OF  
                     DISC PERSONALITY TEST 
          
                        By Ganesh Kelagina Beedu 
          
                          A DISSERTATION 
                                     
               Presented to the Department of Business & Media  
                           at Selinus University 
          
                         Faculty of Business & Media  
                        in fulfilment of the requirements 
                              for the degree of 
                          Doctor of Philosophy  
                   in Human Resources Management 
                                     
                                  2021 
          
          
          
          
        
       DECLARATION 
        
        
       The  dissertation  titled  “A  STUDY  ON  THE  EFFECTIVENESS  OF  DISC 
       PERSONALITY TEST” submitted for the Award ‘Doctor of Philosophy in Human 
       Resources Management’ at Selinus University of Sciences and Literature, Faculty 
       of Business and Media; is my original work. 
         
       “I do hereby attest that I am the sole author of this project/thesis and that its contents 
       are only the result of the readings and research I have done.”  
        
       Date: 22/04/2021 
        
        
        
       STUDENT SIGNATUTE  
       Student-ID : N° unise1329it 
        
        
        
        
        
        
        
        
        
        
        
        
        
                   ACKNOWLEDGEMENT 
        
        
       I am thankful to University of Selinus for giving me an opportunity to pursue this 
       Doctorate in Human Resources Management. I am grateful to Prof. Salvatore Fava, 
       Dr. Adriana Nifosì and Ms. Elvira Di Mauro of Selinus University for supporting 
       me in completing this thesis. I also express my deep sense of gratitude to the Great 
       Architect of the Universe, my family members, friends & colleagues who have 
       directly and indirectly supported me during this study. 
        
        
       Signature of Student: Ganesh Kelagina Beedu 
       STUDENT ID: N° unise1329it 
        
        
        
        
        
        
        
        
        
        
        
        
                                                   TABLE OF CONTENTS 
                 Title Page                                                                                  1 
                 Declaration                                                                                 2 
                 Acknowledgement                                                                             3 
                 Table of Contents                                                                           4 
                 List of Tables                                                                              5 
                 List of Charts                                                                              6 
                 Abstract                                                                                    7 
                 Chapter 1 – Introduction 
                 1.1                  Introduction                                                           8 
                 1.2                  Research Questions                                                    10 
                 1.3                  Research Objectives                                                   11 
                 1.4                  Justification for the study                                           11 
                 1.5                  Scope of the study                                                    12 
                 1.6                  Methodology of the study                                              12 
                 Chapter 2 – Literature Review 
                 2.1                  Personality Test                                                      13 
                 2.2                  Disc Personality Test                                                 14 
                 2.3                  History of DISC personality Assessment                                16 
                 2.3.1                DISC Circle – Four Dimensions of Behavior                             18 
                 2.3.2                Benefits of DISC Personality Test                                     31 
                 2.3.3                Study of published Case Studies in DISC Assessment                    33 
                 2.3.4                DISC Personality Test – Analysis of Criticisms                        55 
                 Chapter 3 – Research Methodology 
                 3.1                  Introduction                                                          61 
                 3.2                  Design of the study                                                   62 
                 3.3                  Population of the study                                               62 
                 3.4                  Sample and Sampling Technique                                         63 
                 3.5                  Sampling Size                                                         63 
                 3.6                  Instrument for Data Collection                                        64 
                 3.7                  Validation of the Instrument                                          64 
                 3.8                  Reliability of the Instrument                                         64 
                 3.9                  Administration of the Instrument                                      65 
                 3.10                 Method of Data Analysis                                               65 
                 Chapter 4 – Data Presentation, Analysis, and Interpretation 
                 4.1                  Introduction                                                          65 
                 4.2                  Data Analysis                                                         65 
                 Chapter 5 – Discussion of Results 
                 5.1                  Introduction                                                          88 
                 5.2                  Discussion on Findings                                                89 
                 5.3                  Consequence of the study                                              93 
                 5.4                  Conclusion                                                            94 
                 5.5                  Recommendation for further study                                      94 
                 References                                                                                 95 
                 Appendix                                                                                  103