Psychometric properties of the English language version of the C-BiLLT evaluated in typically developing Canadian children.

IF 0.8 Q4 PEDIATRICS Journal of pediatric rehabilitation medicine Pub Date : 2023-01-01 DOI:10.3233/PRM-210101
Jael N Bootsma, Fiona Campbell, Dayle McCauley, Sarah Hopmans, Danijela Grahovac, B J Cunningham, Michelle Phoenix, Olaf Kraus de Camargo, Johanna Geytenbeek, Jan Willem Gorter
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引用次数: 1

Abstract

Purpose: This study aimed to 1) investigate the convergent and discriminant validity, internal consistency, and test-retest reliability of the Canadian English version of the Computer-Based instrument for Low motor Language Testing (C-BiLLT-CAN), and 2) explore feasibility of the C-BiLLT assessment for children with cerebral palsy (CP) and complex communication needs in the Canadian health care context.

Methods: Eighty typically developing children between 1.5 and 8.5 years of age completed the C-BiLLT-CAN, the Peabody Picture Vocabulary Test-IV (PPVT-4), the receptive language sub-test of the New Reynell Developmental Language Scales (NRDLS), and/or the Raven's 2. Correlations between raw scores were calculated for estimates of convergent and discriminant validity. Internal consistency was calculated for all items and separately for items pertaining to vocabulary and grammar. To calculate the standard error of measurement (SEM) and intraclass correlation coefficient (ICC), 33 participants were re-tested with the C-BiLLT within three weeks. Feasibility was explored with nine participants with CP.

Results: C-BiLLT-CAN's convergent validity was good to excellent (Spearman's rho > 0.78) and discriminant validity was higher than hypothesized (Spearman's rho > 0.8). Internal consistency (Cronbach's alpha = 0.96), test-retest reliability (ICC > 0.9), and measurement error (SEM < 5%) were excellent. The feasibility study could not be fully completed due to the COVID-19 pandemic. Preliminary data demonstrated some technical and practical barriers for using the C-BiLLT in children with CP in Canada.

Conclusion: The C-BiLLT-CAN showed good to excellent psychometric properties in a sample of typically developing children, indicating that it is an adequate test for measuring language comprehension in English-speaking Canadian children. Further research is needed to investigate the feasibility of the C-BiLLT-CAN in children with CP.

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加拿大典型发展儿童的C-BiLLT英语版本的心理测量特性评估。
目的:本研究旨在1)探讨加拿大英语版低运动语言测试(C-BiLLT- can)的收敛效度、判别效度、内部一致性和重测信度;2)探讨C-BiLLT评估在加拿大卫生保健背景下脑瘫(CP)儿童复杂沟通需求的可行性。方法:80名年龄在1.5 ~ 8.5岁的正常发育儿童完成了C-BiLLT-CAN、Peabody图片词汇测试iv (pppt -4)、New Reynell发展语言量表(NRDLS)的接受性语言子测试和Raven's 2。计算原始分数之间的相关性,以估计收敛效度和判别效度。内部一致性计算了所有项目,并单独计算了与词汇和语法有关的项目。为了计算测量的标准误差(SEM)和类内相关系数(ICC), 33名参与者在三周内重新使用C-BiLLT进行测试。结果:C-BiLLT-CAN的收敛效度为良至优(Spearman’s rho > 0.78),判别效度高于假设(Spearman’s rho > 0.8)。内部一致性(Cronbach’s alpha = 0.96)、重测信度(ICC > 0.9)和测量误差(SEM)结论:C-BiLLT-CAN在典型发育儿童样本中表现出良好至优异的心理测量特性,表明它是一个足够的测量加拿大英语儿童语言理解能力的测试。C-BiLLT-CAN在CP患儿中的可行性有待进一步研究。
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来源期刊
CiteScore
2.30
自引率
5.30%
发文量
139
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