Results: Performance by the clinical group on the DDdT dichotic FR (RE, LE, and total) conditions was significantly correlated with the diotic condition (r50.7 0.7, 0.8 p,0.001). Pearson product-moment correlations determined the strength of relationships between DDdT conditions and the number memory forward (NMF) and reversed (NMR) subtests of the Test of Auditory Processing Skills-Third Edition. Mean differences between clinical and TD children were investigated using analysis of variance (ANOVA). Data Collection and Analysis: Z-scores were used to account for the effect of age on performance. Results were compared with data from 112 TD children collected from previously published studies. Study Sample: One hundred one children (6 years 3months to 15 years 0month,mean 9 years 6 months) were referred for assessment to the Australian Hearing Central Auditory Processing Disorder (CAPD) service. Research Design: Correlational analysis between the DDdT diotic condition and the dichotic free recall (FR) right-ear, left-ear, and total (ear-averaged) conditions, as well as between DDdT and memory performance. Purpose: The purpose of the study was to investigate the performance on the DDdT in a large clinical sample. Background: Previous studies in a large population of typically developing (TD) children and a small clinical group showed high correlations between the dichotic and diotic conditions of the Dichotic Digits difference Test (DDdT), as well as between DDdT performance and measures of memory and attention.
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