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Performance validity testing in an NHS acquired brain injury sample

Isherwood, Anna; (2018) Performance validity testing in an NHS acquired brain injury sample. Doctoral thesis (D.Clin.Psy), UCL (University College London). Green open access

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Abstract

This thesis explores the utility of established performance validity tests (PVTs) for assessing non-neurological aspects of test-taking behaviour in clinical populations. Part one is a systematic literature review examining the classification accuracy of a range of PVTs in dementia populations. Consideration is given to the impact of dementia severity and diagnosis on PVT specificity. Issues surrounding the use of cut-off scores on these measures are discussed. Part two is an empirical study exploring the base rate of failure on commonly-used PVTs in a sample of NHS acquired brain injury patients. The relationship between PVT failure and overall performance on cognitive testing is also assessed. Part three is a critical appraisal of the thesis which reflects on the broader clinical and conceptual challenges inherent in the field of performance validity testing as a whole.

Type: Thesis (Doctoral)
Qualification: D.Clin.Psy
Title: Performance validity testing in an NHS acquired brain injury sample
Event: UCL (University College London)
Open access status: An open access version is available from UCL Discovery
Language: English
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10042259
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