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Everything DiSC® Manual
Comprehensive guide to the research that supports the Everything DiSC suite of assessments

: Access the research and theory behind Everything DiSC

In addition to providing an in-depth overview of the DiSC model and the various applications associated with DiSC, the 255-page Everything DiSC Manual provides coverage on the following key topics:
  • Research supporting the validity and reliability of the DiSC styles
  • An overview of DiSC as it intersects with current psychological theory
  • Case studies modeling the proper interpretation of the tool
  • DiSC as it applies to gender, ethnicity, and education
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From the DiSC Profiles blog: A Few Facts from the Everything DiSC Manual
Sample chapter: Interpretation of Results [PDF format]

Everything DiSC Manual, back coverTable of Contents

Chapter 1 DiSC Overview and Theory
The Purpose of Everything DiSC
The DiSC Model
The Two Dimensions Behind DiSC
The DiSC Quadrants
The Twelve Everything DiSC Styles
Connection to Other Models and Psychometric Theory
    Interpersonal Circumplex
    The California Psychological Inventory
    The Five-Factor Model of Personality
    The Myers-Briggs Type Indicator

Chapter 2 Methodology of Development
Previous Assessments Measuring the DiSC Model
Everything DiSC Technical Development
    Rationale of Scale Construction
    Generation of the Initial Item Pool
    Pilot Test
    Item Evaluation
    Final Selection
    Standardization and Norming
    Item Translation

Chapter 3 Administration and Scoring of the Assessment
Appropriate Populations
Accessing the Everything DiSC Assessment
Responding to the Assessment
The Scales Within Everything DiSC
    The DiSC Scales
    The Priority Scales
Adaptive Testing Procedures

Chapter 4 The DiSC Scales and Styles: Reliability and Validity
Reliability of the DiSC Scales and Styles
    Internal Reliability of the Scales
    Test-Retest Reliability of the Scales
    Test-Retest Reliability of the Styles
Evidence for the Validity of the DiSC Scales
    Construct Validity of the Scales
    Criterion Validity of the Scales
Evidence for the Validity of the DiSC Styles
    Construct Validity of the Styles
    Criterion Validity of the Styles

Chapter 5 Demographic Considerations
Internal Reliability by Gender, Heritage, and Education
Correlation Matrices by Gender, Heritage, and Education
    Correlation Matrices by Gender
    Correlation Matrices by Education
    Correlation Matrices by Heritage
Variance Accounted for by Gender, Heritage, and Education
    Variance Accounted for by Gender
    Variance Accounted for by Heritage
    Variance Accounted for by Education
Distribution of Style by Gender, Heritage, and Education
Distribution of Inclination by Gender and Heritage

Chapter 6 The Everything DiSC Applications
Everything DiSC Workplace
    Development of the Workplace Priorities
    Validation of the Workplace Priorities
Everything DiSC Sales
    Development of the Sales Priorities
    Validation of the Sales Priorities
Everything DiSC Management
    Development of the Management Priorities
    Validation of the Management Priorities
Everything DiSC Work of Leaders
    Validation of the Work of Leaders Scales
    Work of Leaders Priorities
Everything DiSC 363 for Leaders
    Development of the Practice Scales for 363 for Leaders
    Comparing Self and Other Ratings
    Differences Based on Demographic Categories

Chapter 7 The Everything DiSC Comparison Report
Selection of the Continua Within Each Report
Scoring of the Comparison Report Scales
Reliability of the Comparison Report Scales
    Internal Reliability
    Test-Retest Reliability
Validity of the Comparison Report Scales
    Intercorrelations Among the Continua Scales
    Correlations with the Other Measures of Personality

Chapter 8 Interpretation of Results
Interpretation of Style
Interpretation of Inclination
Interpretation of Shading
Case Studies
    Andrea: D Style
    Rafael: CS Style
    Amira: i Style
    James: S Style

Appendix A: DiSC History
Appendix B: Everything DiSC Sample Demographics
Appendix C: Correlations Among the Everything DiSC Assessment and Other Assessments
Appendix D: Style Distribution
Appendix E: Leadership Correlations
Appendix F: ANOVA Results
Appendix G: Correlations Among the Work of Leaders and Other Assessments