Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.

First, we explore the performance of nonword repetition (NWR) in children with specific language impairment (SLI) and typically developing children (TD) in order to investigate the accuracy of NWR as a clinical marker for SLI in Swedish-speaking school-age children. Second, we examine the relationsh...

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Autores principales:	Nelli Kalnak, Myriam Peyrard-Janvid, Hans Forssberg, Birgitta Sahlén
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0d5ec73f2231413691b92544b1ce730b
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spelling	oai:doaj.org-article:0d5ec73f2231413691b92544b1ce730b2021-11-18T08:31:19ZNonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.1932-620310.1371/journal.pone.0089544https://doaj.org/article/0d5ec73f2231413691b92544b1ce730b2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24586859/?tool=EBIhttps://doaj.org/toc/1932-6203First, we explore the performance of nonword repetition (NWR) in children with specific language impairment (SLI) and typically developing children (TD) in order to investigate the accuracy of NWR as a clinical marker for SLI in Swedish-speaking school-age children. Second, we examine the relationship between NWR, family aggregation, and parental level of education in children with SLI. A sample of 61 children with SLI, and 86 children with TD, aged 8-12 years, were administered an NWR test. Family aggregation, measured as the prevalence of language and/or literacy problems (LLP) in parents of the children with SLI, was based on family history interviews. The sensitivity and specificity of nonword repetition was analyzed in a binary logistic regression, cut-off values were established with ROC curves, and positive and negative likelihood ratios reported. Results from the present study show that NWR distinguishes well between Swedish-speaking school-children with and without SLI. We found 90.2% sensitivity and 97.7% specificity at a cut-off level of -2 standard deviations for binary scoring of nonwords. Differences between the SLI and TD groups showed large effect sizes for the two scoring measures binary (d = 2.11) and percent correct consonants (PCC) (d = 1.79). The children with SLI were split into two subgroups: those with no parents affected with LLP (n = 12), and those with one or both parents affected (n = 49). The subgroup consisting of affected parents had a significantly lower score on NWR binary (p = .037), and there was a great difference between the subgroups (d = 0.7). When compared to the TD group, the difference from the subgroup with affected parents was almost one standard deviation larger (d = 2.47) than the difference from the TD to the subgroup consisting of non-affected parents (d = 1.57). Our study calls for further exploration of the complex interaction between family aggregation, language input, and phenotypes of SLI.Nelli KalnakMyriam Peyrard-JanvidHans ForssbergBirgitta SahlénPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 2, p e89544 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nelli Kalnak Myriam Peyrard-Janvid Hans Forssberg Birgitta Sahlén Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
description	First, we explore the performance of nonword repetition (NWR) in children with specific language impairment (SLI) and typically developing children (TD) in order to investigate the accuracy of NWR as a clinical marker for SLI in Swedish-speaking school-age children. Second, we examine the relationship between NWR, family aggregation, and parental level of education in children with SLI. A sample of 61 children with SLI, and 86 children with TD, aged 8-12 years, were administered an NWR test. Family aggregation, measured as the prevalence of language and/or literacy problems (LLP) in parents of the children with SLI, was based on family history interviews. The sensitivity and specificity of nonword repetition was analyzed in a binary logistic regression, cut-off values were established with ROC curves, and positive and negative likelihood ratios reported. Results from the present study show that NWR distinguishes well between Swedish-speaking school-children with and without SLI. We found 90.2% sensitivity and 97.7% specificity at a cut-off level of -2 standard deviations for binary scoring of nonwords. Differences between the SLI and TD groups showed large effect sizes for the two scoring measures binary (d = 2.11) and percent correct consonants (PCC) (d = 1.79). The children with SLI were split into two subgroups: those with no parents affected with LLP (n = 12), and those with one or both parents affected (n = 49). The subgroup consisting of affected parents had a significantly lower score on NWR binary (p = .037), and there was a great difference between the subgroups (d = 0.7). When compared to the TD group, the difference from the subgroup with affected parents was almost one standard deviation larger (d = 2.47) than the difference from the TD to the subgroup consisting of non-affected parents (d = 1.57). Our study calls for further exploration of the complex interaction between family aggregation, language input, and phenotypes of SLI.
format	article
author	Nelli Kalnak Myriam Peyrard-Janvid Hans Forssberg Birgitta Sahlén
author_facet	Nelli Kalnak Myriam Peyrard-Janvid Hans Forssberg Birgitta Sahlén
author_sort	Nelli Kalnak
title	Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
title_short	Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
title_full	Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
title_fullStr	Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
title_full_unstemmed	Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.
title_sort	nonword repetition--a clinical marker for specific language impairment in swedish associated with parents' language-related problems.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/0d5ec73f2231413691b92544b1ce730b
work_keys_str_mv	AT nellikalnak nonwordrepetitionaclinicalmarkerforspecificlanguageimpairmentinswedishassociatedwithparentslanguagerelatedproblems AT myriampeyrardjanvid nonwordrepetitionaclinicalmarkerforspecificlanguageimpairmentinswedishassociatedwithparentslanguagerelatedproblems AT hansforssberg nonwordrepetitionaclinicalmarkerforspecificlanguageimpairmentinswedishassociatedwithparentslanguagerelatedproblems AT birgittasahlen nonwordrepetitionaclinicalmarkerforspecificlanguageimpairmentinswedishassociatedwithparentslanguagerelatedproblems
_version_	1718421663986483200

Nonword repetition--a clinical marker for specific language impairment in Swedish associated with parents' language-related problems.

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