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Title: The validation of aphasia tests
Author: Whurr, Renata.
Awarding Body: Birkbeck (University of London)
Current Institution: Birkbeck (University of London)
Date of Award: 1988
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A brief history is provided of Aphasia testing. The test batteries published since 1947 are described under the following formal headings: theory and classification, organisation, quantification, charting and interpretation, and standardisation and factor analyses. A component analysis of the forty aphasia test batteries is conducted. The most frequently used subtests are identified and divided into subgroups of tests, tests of auditory comprehension, oral language, naming, reading comprehension, speech production, written language and non-language tasks. The fifty most frequently used subtests are then applied to a group of normal elderly people to establish baseline norms. Then 108 diagnosed aphasic patients are subjected to these same tests, and the results analysed. The patient data, the normal data and the tests thelllSelves are examined. Xethods of analysis include factor analYSiS, discriminant analysis and cluster analysis. Analysis of variance is applied to the elderly normal subj ects and the aphasic patients, as well as to the aphasic patients on repeated measures. Conclusions are then drawn about how effective the most frequently used subtests in aphasia batteries are in identifying the degree and type of language disturbance in aphasic patients.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Dysphasia Psychology Linguistics Medicine