Influence of acoustical and linguistic factors on the SPIN test difference score

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Abstract
SPIN [speech intelligibility in noise] test difference scores, which are the numeric difference between items of high predictability and low predictability, were obtained from 3 groups of subjects to determine whether the subject''s language skills influenced the size of the difference score. For this purpose the relationship between the difference score and the following variables was determined: syntactic skills, semantic skills, IQ, age, hearing loss and signal-to-noise ratio (S/N). Apparently the difference scores were significantly related to the subject''s hearing and the S/N ratio used in the administration of the SPIN sentences. Possible reasons for these results are discussed.

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