Copyright ©2013 by John Wiley & Sons, Inc. All rights reserved.
Permission to reproduce only when used in conjunction with Everything DiSC
®
assessments. 2
Overview of this Research Report
The purpose of this report is to provide the validity research for the Everything DiSC
®
assessment and
profiles. Section 1 includes background and research on the assessment, specifically on the Everything
DiSC assessment, the DiSC
®
scales that are derived from this information, and the circumplex
representation of the model. Sections 2-5 provide research on the application-specific models used in
Everything DiSC Management, Everything DiSC Sales, Everything DiSC Workplace
®
, and Everything
DiSC Productive Conflict. Section 6 provides the research for the 18 additional scales in Everything DiSC
Work of Leaders
®
. Section 7 provides the research for the Everything DiSC Comparison Report. The
Appendices contain more detailed information on the Everything DiSC assessment research.
Table of Contents
Section 1: Everything DiSC
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Assessment Research ............................................................................... 4
The DiSC
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Model .......................................................................................................................... 4
Assessment and Scoring ............................................................................................................... 5
Overview of the Validation Process ................................................................................................ 6
Reliability ....................................................................................................................................... 7
Validity ........................................................................................................................................ 12
Summary of the Validation Results ............................................................................................... 25
Section 2: Everything DiSC
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Management Research ........................................................................... 26
Background ................................................................................................................................ 26
The Research .............................................................................................................................. 26
Summary of the Validation Results ............................................................................................... 32
Section 3: Everything DiSC
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Sales Research ....................................................................................... 33
Background ................................................................................................................................ 33
The Research .............................................................................................................................. 33
Summary of the Validation Results ............................................................................................... 38
Section 4: Everything DiSC Workplace
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Research ............................................................................... 39
Background ................................................................................................................................ 39
The Research .............................................................................................................................. 39
Summary of the Validation Results ............................................................................................... 42
Section 5: Everything DiSC
®
Productive Conflict Research ................................................................... 43
Background ................................................................................................................................ 43
The Research .............................................................................................................................. 43
Summary of the Validation Results ............................................................................................... 47