Vocal effectiveness of speech-language pathology students : before and after voice use during service delivery

dc.contributor.authorCouch, Stephanie
dc.contributor.authorZieba, Dominique
dc.contributor.authorVan der Linde, Jeannie
dc.contributor.authorVan der Merwe, Anita
dc.contributor.emailJeannie.vanderlinde@up.ac.zaen_ZA
dc.date.accessioned2016-04-29T06:37:59Z
dc.date.available2016-04-29T06:37:59Z
dc.date.issued2015
dc.description.abstractBACKGROUND : As a professional voice user, it is imperative that a speech-language pathologist’s (SLP) vocal effectiveness remain consistent throughout the day. Many factors may contribute to reduced vocal effectiveness, including prolonged voice use, vocally abusive behaviours, poor vocal hygiene and environmental factors. OBJECTIVES : To determine the effect of service delivery on the perceptual and acoustic features of voice. METHOD : A quasi-experimental., pre-test–post-test research design was used. Participants included third- and final-year speech-language pathology students at the University of Pretoria (South Africa). Voice parameters were evaluated in a pre-test measurement, after which the participants provided two consecutive hours of therapy. A post-test measurement was then completed. Data analysis consisted of an instrumental analysis in which the multidimensional voice programme (MDVP) and the voice range profile (VRP) were used to measure vocal parameters and then calculate the dysphonia severity index (DSI). The GRBASI scale was used to conduct a perceptual analysis of voice quality. Data were processed using descriptive statistics to determine change in each measured parameter after service delivery. RESULTS : A change of clinical significance was observed in the acoustic and perceptual parameters of voice. CONCLUSION : Guidelines for SLPs in order to maintain optimal vocal effectiveness were suggested.en_ZA
dc.description.departmentSpeech-Language Pathology and Audiologyen_ZA
dc.description.librarianam2016en_ZA
dc.description.urihttp://www.sajcd.org.zaen_ZA
dc.identifier.citationCouch, S., Zieba, D., Van der Linde, J., & Van der Merwe, A., 2015, ‘Vocal effectiveness of speechlanguage pathology students: Before and after voice use during service delivery’, South African Journal of Communication Disorders, 62(1), Art. #95, 7 pages. http://dx.DOI.org/ 10.4102/sajcd.v62i1.95.en_ZA
dc.identifier.issn0379-8046 (print)
dc.identifier.issn2225-4765 (online)
dc.identifier.other10.4102/sajcd.v62i1.95
dc.identifier.urihttp://hdl.handle.net/2263/52198
dc.language.isoenen_ZA
dc.publisherAOSIS OpenJournalsen_ZA
dc.rights© 2015. The Authors. Licensee: AOSIS OpenJournals. This work is licensed under the Creative Commons Attribution License.en_ZA
dc.subjectVocal effectivenessen_ZA
dc.subjectProfessional voice useren_ZA
dc.subjectService deliveryen_ZA
dc.subjectSpeech-language pathologist (SLP)en_ZA
dc.titleVocal effectiveness of speech-language pathology students : before and after voice use during service deliveryen_ZA
dc.typeArticleen_ZA

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