Journal of Speech, Language, and Hearing Research Vol.55 791-799 June 2012. doi:10.1044/1092-4388(2011/11-0035)
© American Speech-Language-Hearing Association
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Article

Psychometric Evaluation of Children With Auditory Processing Disorder (APD): Comparison With Normal-Hearing and Clinical Non-APD Groups

Vasiliki Iliadoua
Doris Eva Bamioub,,c
a Aristotle University of Thessaloniki, Greece
b UCL Ear Institute, London, United Kingdom
c National Hospital for Neurology and Neurosurgery, London

Correspondence to Vasiliki Iliadou: viliad{at}auth.gr

Purpose: To investigate the clinical utility of the Children's Auditory Processing Performance Scale (CHAPPS; Smoski, Brunt, & Tannahill, 1992) to evaluate listening ability in 12-year-old children referred for auditory processing assessment.

Method: This was a prospective case control study of 97 children (age range = 11;4 [years;months] to 12;7). Auditory processing disorder (APD) was diagnosed based on findings of deficits on at least 1 nonverbal test and on at least 2 tests of an auditory processing test battery. Clinically referred children were grouped as APD (n = 38) or non-APD (n = 20).

Results: The study found that (a) the APD group performed lower than the non-APD group on the Quiet, Ideal, Memory (p < .0001), and Attention (p < .05) subscales of the CHAPPS; (b) the non-APD group performed lower than the group with normal hearing on the Noise, Multiple Inputs, and Attention subscales (p < .0001); and (c) there were significant moderate-to-strong correlations (Spearman's {rho} > .04) between Dichotic Digits, Duration Pattern tests, and the CHAPPS Attention, Memory, and total scores.

Conclusion: The CHAPPS may be a clinically useful tool to evaluate listening ability in 12-year-old children suspected of having APD. Restricting use of the CHAPPS to older children may help address its limitations as reported by other studies.

KEY WORDS: auditory processing disorder, psychometry, listening difficulties, questionnaires


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