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Multisession transcranial direct current stimulation facilitates verbal learning and memory consolidation in young and older adults
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The validity of an isiZulu speech reception threshold test for use with adult isiZulu speakers
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Abstract:
Background: This study continued the development of an isiZulu speech reception threshold (zSRT) test for use with first language, adult speakers of isiZulu.Objectives: The objective of this study was to determine the convergent and concurrent validity of the zSRT test.Methods: One hundred adult isiZulu first-language speakers with normal hearing and 76 first-language, adult isiZulu speakers with conductive or sensorineural hearing losses ranging from mild to severe were assessed on pure tone audiometry and a newly developed isiZulu SRT test. Convergent validity was established through agreement of the zSRT scores with pure tone average (PTA) scores. Concurrent validity was assessed by examining the steepness of the psychometric curve for each word in the zSRT test for each type and degree of hearing loss.Results: Intraclass correlation coefficient analyses showed zSRT scores were in substantial to very high agreement with PTA scores for the normal hearing and hearing loss groups (NH – right ear ICC consistency = 0.78, left ear ICC = 0.67; HL – right ear ICC consistency = 0.97, left ear ICC consistency = 0.95). The mean psychometric slope (%/dB) at 50% correct perception for all words in the zSRT test was 4.92%/dB for the mild conductive hearing loss group, 5.26%/dB for the moderate conductive hearing loss group, 2.85%/dB for the moderately severe sensorineural hearing loss group and 2.47%/dB for the severe sensorineural hearing loss group. These slopes were appropriate for the degree of hearing loss observed in each group.Conclusion: The zSRT test showed convergent and concurrent validity for assessing SRT in first language, adult speakers of isiZulu.
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Keyword:
1203 Language and Linguistics; 2805 Cognitive Neuroscience; 3205 Experimental and Cognitive Psychology; 3315 Communication; 3616 Speech and Hearing; General Medicine
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URL: https://espace.library.uq.edu.au/view/UQ:9aca46d
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A three-arm randomized controlled trial of Lidcombe Program and Westmead Program early stuttering interventions
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Brain activity during spoken word recognition in subacute aphasia
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What are the usual assessment practices in adult non-progressive dysarthria rehabilitation? A survey of Australian dysarthria practice patterns
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Telepractice communication partner training for health professionals: A randomised trial
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Conversational trouble and repair in dementia: revision of an existing coding framework
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Supplementing stuttering treatment with online cognitive behavior therapy: An experimental trial
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Comparison of adults who stutter with and without social anxiety disorder
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The Satisfaction with Communication in Everyday Speaking Situations (SCESS) scale: An overarching outcome measure of treatment effect
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A role for epistemic trust in speech-language pathology: A tutorial paper
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Cohesive and coherent connected speech deficits in mild stroke
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Data-driven classification of patients with primary progressive aphasia
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A speech and psychological profile of treatment-seeking adolescents who stutter
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Grey matter volume differences in the left caudate nucleus of people who stutter
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Genes, brain, and language: a brief introduction to the special issue
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Does communication partner training improve the conversation skills of speech-language pathology students when interacting with people with aphasia?
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Brain mechanisms of semantic interference in spoken word production: An anodal transcranial Direct Current Stimulation (atDCS) study
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