Psychometric properties of the Intelligibility in Context Scale in monolingual Spanish-speaking children with and without speech sound disorders from Peru

IF 1.8 3区医学 Q2 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

Journal of Communication Disorders Pub Date : 2025-02-28 DOI:10.1016/j.jcomdis.2025.106511

Chelsea L. Sommer , Caitlin A. Cummings , Evelyn Cáceres-Nano , Carolina Romero-Narváez , Sarah Hatch Pollard

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Abstract

Purpose

This study explored the construct validity, internal consistency, and criterion validity of The Intelligibility in Context Scale: Spanish (ICS-S) with monolingual Spanish-speakers from Peru.

Method

Participants included 40 Spanish-speaking children (3 years and 3 months to 10 years and 11 months of age), n = 21 with typical speech, and n = 19 with speech sound disorders (SSD). Caregivers completed the ICS-S and children completed a single word articulation test; percent of consonants correct (PCC) were calculated. To evaluate construct validity, correlations were run between the ICS-S mean and the 7 ICS items; mean ICS-S scores in those with and without an SSD were compared using the Wilcoxon rank-sum test. Additionally, correlations were conducted between PCC and ICS-S mean scores to assess criterion validity and Chronbach's alpha was used to assess internal consistency. Because eight participants were rated as having both an SSD and severe hypernasality (defined as EAI=4), we ran sensitivity analyses with these participants excluded.

Results

The mean ICS-S score for the children with SSD was 3.5 and for the children with typical speech was 4.4. Correlations between item and total mean on the ICS-S were significant (p = 0.000 - 0.004) in all but one case (parent's rating with the ICS-S mean score for the children with typical speech and those without CP; p = 0.203 & 0.131). Mean ICS-S scores were significantly lower in those with SSDs (p < 0.001). Criterion validity between PCC and the ICS-S mean score was r = 0.564, CI= 0.307 - 0.745 p < 0.001 and internal consistency between all the test items on the ICS-S was α = 0.913. Most results (except one) remained consistent when the eight with SSD and severe hypernasality were excluded.

Conclusions

The ICS-S demonstrated construct and criterion validity as well as internal consistency for a cohort of monolingual Spanish children with and without SSD. These findings support the use of the ICS-S for screening for speech sound disorders (SSDs) in Spanish-speaking children.

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秘鲁有或无语音障碍的单语西班牙语儿童语境可理解度的心理测量特征

目的以秘鲁单语西班牙语者为研究对象，探讨《西班牙语语境可理解度量表》（ICS-S）的结构效度、内部一致性和标准效度。方法选取40例西班牙语儿童（3岁3个月~ 10岁11个月），其中21例为典型语言患儿，19例为语音障碍（SSD）患儿。护理人员完成ICS-S测试，儿童完成单字发音测试；计算辅音正确率（PCC）。为了评估构念效度，我们在ICS- s平均值与7个ICS项目之间进行相关分析；采用Wilcoxon秩和检验比较有无SSD患者的平均ICS-S评分。此外，在PCC和ICS-S平均评分之间进行相关性评估标准效度，并使用Chronbach's alpha评估内部一致性。由于8名参与者被评为同时患有SSD和严重鼻窦炎（定义为EAI=4），我们对这些参与者进行了敏感性分析。结果言语障碍患儿的ICS-S平均分为3.5分，言语正常患儿的ICS-S平均分为4.4分。除了一种情况外，其他情况下(言语正常儿童和言语不正常儿童的父母评分与ICS-S平均得分之间的相关性均显著（p = 0.000 - 0.004）；P = 0.203 &；0.131)。ssd患者的平均ICS-S评分显著降低(p <；0.001)。PCC与ICS-S平均评分之间的标准效度r = 0.564， CI= 0.307 ~ 0.745 p <；ICS-S量表各测试项目间的内部一致性为α = 0.913。当排除8例伴有SSD和严重鼻窦炎的患者时，大多数结果（除1例外）保持一致。结论ICS-S在有和没有SSD的单语西班牙儿童队列中证明了结构和标准的有效性以及内部一致性。这些发现支持使用ICS-S筛查西班牙语儿童的语音障碍（ssd）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Communication Disorders AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION

CiteScore

3.30

自引率

5.90%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Communication Disorders publishes original articles on topics related to disorders of speech, language and hearing. Authors are encouraged to submit reports of experimental or descriptive investigations (research articles), review articles, tutorials or discussion papers, or letters to the editor ("short communications"). Please note that we do not accept case studies unless they conform to the principles of single-subject experimental design. Special issues are published periodically on timely and clinically relevant topics.