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Updated: Jun 21, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Conversion of scores between Bamford, Kowal and Bench (BKB) sentences and Arthur Boothroyd (AB) words in quiet for
Debi Vickers1, Julie Eyles, Julie Brinton
1University College London, Ear Institute, 332-336 Grays Inn Road, London WC1X 8EE, UK. d.vickers@ucl.ac.uk
Abstract:
This paper describes the relationship between the scores obtained in the Bamford, Kowal and Bench (BKB) sentence test and the Arthur Boothroyd (AB) word test in quiet for a group of 71 cochlear implant users. Each subject was tested at the same appointment and in the same environment during routine clinical appointments at the South of England Cochlear Implant Centre.Using rationalised arcsine transformation and a linear regression calculation, conversion tables were produced from BKB to AB and from AB to BKB scores. The relationship between scores obtained from the two tests was highly significant.These conversion tables may be of use in cochlear implant centres and by audiology clinics.
