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Process Density Index (PDI) scores in typically developing children between 3;0 to 7;0 years of age: Evidence from Dravidian Tulu
Child Language Teaching and Therapy ( IF 0.912 ) Pub Date : 2020-09-01 , DOI: 10.1177/0265659020950391
Sunila John 1 , Kadiyali D Veena 1 , Hanna Nelson 1 , Venkataraja Udupi Aithal 1 , Rekha Patil 1 , Bellur Rajashekhar 1
Affiliation  

Various speech metrics have been developed to assess and monitor phonological development in young children. Process Density Index (PDI) is one such measure employed to determine the severity of phonological errors and speech intelligibility. The present study explored the utility of PDI as a measure of phonological development in 756 Tulu-speaking children between 3;0–7;0 years, across age and gender groups. Results revealed that the youngest group of children exhibited a higher number of phonological processes and a higher PDI score as compared to the oldest group. Children with higher PDI scores exhibited poorer speech intelligibility than those with lower PDI Scores. Further, a statistically significant gender difference with boys exhibiting higher PDI scores than girls with no interaction between age and gender was noted. The study finding provides an insight into the phonological aspects specific to Tulu language and suggests the utility of PDI as a potential clinical measure while assessing phonological issues.

中文翻译:

3、0 到 7、0 岁之间典型发育儿童的过程密度指数 (PDI) 分数:来自达罗毗荼图卢的证据

已经开发了各种语音指标来评估和监测幼儿的语音发育。过程密度指数 (PDI) 是一种用于确定语音错误的严重程度和语音清晰度的度量。本研究探讨了 PDI 作为衡量 756 名 3;0-7;0 岁之间讲图卢语的儿童的语音发展的效用,跨越年龄和性别组。结果显示,与最年长的儿童组相比,最年幼的儿童组表现出更多的语音过程和更高的 PDI 分数。PDI 分数较高的儿童比 PDI 分数较低的儿童表现出较差的语言清晰度。此外,注意到男孩的 PDI 分数高于女孩的统计学显着性别差异,年龄和性别之间没有相互作用。
更新日期:2020-09-01
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