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Journal article
Inter-rater reliability, intra-rater reliability and internal consistency of the Brisbane Evidence-Based Language Test
Disability and Rehabilitation, Vol.44(4), pp.637-645
22/06/2020
PMID: 32571103
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Source: InCites
Abstract
<em>Purpose:</em> To examine the inter-rater reliability, intra-rater reliability, internal consistency and practice effects associated with a new test, the Brisbane Evidence-Based Language Test.</p>
<em>Methods:</em> Reliability estimates were obtained in a repeated-measures design through analysis of clinician video ratings of stroke participants completing the Brisbane Evidence-Based Language Test. Inter-rater reliability was determined by comparing 15 independent clinicians' scores of 15 randomly selected videos. Intra-rater reliability was determined by comparing two clinicians' scores of 35 videos when re-scored after a two-week interval.</p>
<em>Results:</em> Intraclass correlation coefficient (ICC) analysis demonstrated almost perfect inter-rater reliability (0.995; 95% confidence interval: 0.990-0.998), intra-rater reliability (0.994; 95% confidence interval: 0.989-0.997) and internal consistency (Cronbach's α = 0.940 (95% confidence interval: 0.920-1.0)). Almost perfect correlations (0.998; 95% confidence interval: 0.995-0.999) between face-to-face and video ratings were obtained.</p>
<em>Conclusion:</em> The Brisbane Evidence-Based Language Test demonstrates almost perfect inter-rater reliability, intra-rater reliability and internal consistency. High correlation coefficients and narrow confidence intervals demonstrated minimal practice effects with scoring or influence of years of clinical experience on test scores. Almost perfect correlations between face-to-face and video scoring methods indicate these reliability estimates have direct application to everyday practice. The test is available from <i>brisbanetest.org</i></p>
Details
- Title
- Inter-rater reliability, intra-rater reliability and internal consistency of the Brisbane Evidence-Based Language Test
- Creators
- Alexia Rohde (Corresponding Author) - Southern Cross UniversityMolly McCracken - University of QueenslandLinda Worrall - University of QueenslandAnna Farrell - Royal Brisbane and Women's HospitalRobyn O'Halloran - La Trobe UniversityErin Godecke - Edith Cowan UniversityMichael David - University of QueenslandSuhail A Doi - Qatar University
- Publication Details
- Disability and Rehabilitation, Vol.44(4), pp.637-645
- Publisher
- Taylor & Francis
- Grant note
- Royal Brisbane and Women's Hospital Australian Stroke Foundation Equity Trustees Wealth Services Ltd. Royal Brisbane and Women's Hospital Foundation
- Identifiers
- 991012875398302368
- Copyright
- © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
- Academic Unit
- School of Health and Human Sciences; Allied Health and Midwifery; Faculty of Health
- Language
- English
- Resource Type
- Journal article