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Validity

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This monograph provides a historical overview of validity, targeting developments in both the UK and the US. It explores theoretical notions of validity as well as pragmatic validation practices and expands the arguments that need to be attended to document quality. The authors examine the need to consider, in addition to the psychometric evidence, which has continued to prevail especially in the US, other critical sources of quality evidence. They call attention to principled design and the evidence accumulated from various departments/groups involved in test design and development. They also promote the concept of impact by design, which places consequences at the top of the evidence chain to guide all testing efforts and quality documentation. They envision validity scholarship to attend to consequences at the individual, aggregate/group, and larger educational/organisational/societal levels. Concomitant with this attention to consequences are considerations of stakeholders and the tailoring of communication to engage intended groups. Such an approach yields a more convincing validity argument. The monograph ends by calling on professionals in the field to publish case studies, which showcases localised validity arguments in practice. Local case studies represent critical endeavours to illustrate how evidence and arguments are pulled together to support the quality of a testing programme and all that it entails.

Published: Oct 1, 2020

Series


Section Chapter Authors
Chapter 1
Introduction Micheline Chalhoub-Deville, Barry O'Sullivan
Chapter 2
Historical Overview of Validity Micheline Chalhoub-Deville, Barry O'Sullivan
Chapter 3
Principled Design, Test Development and Validation Micheline Chalhoub-Deville, Barry O'Sullivan
Chapter 4
Validity and Consequences Micheline Chalhoub-Deville, Barry O'Sullivan
Chapter 5
Introducing an Integrated Argument-based Approach to Validation Micheline Chalhoub-Deville, Barry O'Sullivan
Conclusion
Validation, Localisation and Case Studies Micheline Chalhoub-Deville, Barry O'Sullivan