Test validity in morphosyntactic measures for typical and SLI incipient Spanish–English bilinguals

2017 ◽  
Vol 36 (1) ◽  
pp. 77-100 ◽  
Author(s):  
Irene Checa-García ◽  
Mark Guiberson
Keyword(s):  
Language Impairment ◽  
Specific Language Impairment ◽  
Test Validity ◽  
High Standard ◽  
Careful Analysis ◽  
Distinct Pattern ◽  
Group Differences ◽  
Typically Developing ◽  
Design Problems ◽  
Preschool Language

This study will demonstrate that group differences on a morphosyntactic measure used for the identification of specific language impairment (SLI) do not guarantee validity for diagnosis and tracking, and will exemplify this with a case study of the Spanish version of the Clinical Evaluation of Preschool Language–2 Estructura de Palabras subtest for SLI and typically developing (TD) Spanish–English incipient bilinguals. The use of standardized tests beyond identification, for planning intervention and monitoring progress, requires that validity evidence be provided if and when extended purposes are involved. Results show that although group differences on total subtest score were observed, some of the items exhibited a distinct pattern, that is, high standard deviations and lower rate of correct responses. A careful analysis of these items points to design problems and content-validity deficiencies as causes. Solutions for the different problems are proposed. We conclude on the importance of a careful linguistic analysis to support test validity in order for the test to serve its broader purposes.

scholarly journals Applying an Integrative Framework of Executive Function to Preschoolers With Specific Language Impairment

2017 ◽  
Vol 60 (8) ◽  
pp. 2170-2184 ◽  
Author(s):  
Leah L. Kapa ◽  
Elena Plante ◽  
Kevin Doubleday
Keyword(s):  
Working Memory ◽  
Executive Function ◽  
Selective Attention ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Group Differences ◽  
Typically Developing ◽  
Integrative Framework ◽  
Memory Inhibition ◽  
Nonverbal Measures

Purpose The first goal of this research was to compare verbal and nonverbal executive function abilities between preschoolers with and without specific language impairment (SLI). The second goal was to assess the group differences on 4 executive function components in order to determine if the components may be hierarchically related as suggested within a developmental integrative framework of executive function. Method This study included 26 4- and 5-year-olds diagnosed with SLI and 26 typically developing age- and sex-matched peers. Participants were tested on verbal and nonverbal measures of sustained selective attention, working memory, inhibition, and shifting. Results The SLI group performed worse compared with typically developing children on both verbal and nonverbal measures of sustained selective attention and working memory, the verbal inhibition task, and the nonverbal shifting task. Comparisons of standardized group differences between executive function measures revealed a linear increase with the following order: working memory, inhibition, shifting, and sustained selective attention. Conclusion The pattern of results suggests that preschoolers with SLI have deficits in executive functioning compared with typical peers, and deficits are not limited to verbal tasks. A significant linear relationship between group differences across executive function components supports the possibility of a hierarchical relationship between executive function skills.

scholarly journals Language deficits and motor asymmetry in children with SLI

2020 ◽  
Vol 20 (3) ◽  
pp. 285
Author(s):  
Αναστασία Γώγου ◽  
Σταυρούλα Σταυρακάκη ◽  
Γιώργιος Γρούϊος ◽  
Νικόλαος Τσιγγίλης
Keyword(s):  
Motor Development ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Hand Preference ◽  
Group Differences ◽  
Motor Asymmetry ◽  
Typically Developing ◽  
Control Groups ◽  
Language Deficits ◽  
Wh Questions

The present study aims at investigating whether a link between language deficits and upper and lower limb motor asymmetry can be established. We assessed language skills, handedness, and footedness in a group of 13 children with Specific Language Impairment (SLI) and two control groups matched on language age (LA) and chronological age(CA) respectively. Specifically, we tested the production of object wh questions, object relative clauses and sigmatic past tense production for novel non-rhyming verbs, and administered hand and foot preferencequestionnaires. While significant between group differences were found in the language tasks, as participants with SLI performed significantly below CA controls, the same level of performance was shown for hand and foot preference. Further analysis revealed no correlation between foot and hand preference for the SLI group in contrast to typically developing children. Additional regression analysis showed that the non-right foot preference could predict participation in the SLI group. These results may be indicative of poor hand-foot coordination in the SLI group and increased chance for SLI individuals to be grouped as non-right footed. We interpret these findings as showing immature motor development in SLI and pointing to a weak correlation between motor laterality and language deficits. We discuss the implications of our findings for the characterisation of the deficit in SLI.

scholarly journals An Initial Investigation of the Neural Correlates of Word Processing in Preschoolers With Specific Language Impairment

2018 ◽  
Vol 61 (3) ◽  
pp. 729-739 ◽  
Author(s):  
Eileen Haebig ◽  
Laurence Leonard ◽  
Evan Usler ◽  
Patricia Deevy ◽  
Christine Weber
Keyword(s):  
Language Impairment ◽  
Specific Language Impairment ◽  
Word Processing ◽  
Neural Correlates ◽  
Group Differences ◽  
Typical Development ◽  
Typically Developing ◽  
Positive Component ◽  
Late Positive Component ◽  
Specific Language

Purpose Previous behavioral studies have found deficits in lexical–semantic abilities in children with specific language impairment (SLI), including reduced depth and breadth of word knowledge. This study explored the neural correlates of early emerging familiar word processing in preschoolers with SLI and typical development. Method Fifteen preschoolers with typical development and 15 preschoolers with SLI were presented with pictures followed after a brief delay by an auditory label that did or did not match. Event-related brain potentials were time locked to the onset of the auditory labels. Children provided verbal judgments of whether the label matched the picture. Results There were no group differences in the accuracy of identifying when pictures and labels matched or mismatched. Event-related brain potential data revealed that mismatch trials elicited a robust N400 in both groups, with no group differences in mean amplitude or peak latency. However, the typically developing group demonstrated a more robust late positive component, elicited by mismatch trials. Conclusions These initial findings indicate that lexical–semantic access of early acquired words, indexed by the N400, does not differ between preschoolers with SLI and typical development when highly familiar words are presented in isolation. However, the typically developing group demonstrated a more mature profile of postlexical reanalysis and integration, indexed by an emerging late positive component. The findings lay the necessary groundwork for better understanding processing of newly learned words in children with SLI.

Learning, Forgetting, and Relearning: Skill Learning in Children With Language Impairment

2014 ◽  
Vol 23 (4) ◽  
pp. 696-707 ◽  
Author(s):  
Esther Adi-Japha ◽  
Haia Abu-Asba
Keyword(s):  
Motor Skills ◽  
Skill Acquisition ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Skill Learning ◽  
Group Differences ◽  
Fine Motor ◽  
Specific Language ◽  
Retention Testing ◽  
Over Time

Purpose The current study tested whether the difficulties of children with specific language impairment (SLI) in skill acquisition are related to learning processes that occur while practicing a new skill or to the passage of time between practice and later performance. Method The acquisition and retention of a new complex grapho-motor symbol were studied in 5-year-old children with SLI and peers matched for age and nonverbal IQ. The children practiced the production of the symbol for 4 consecutive days. Retention testing took place 10 days later. Results Children with SLI began each practice day slower than their peers but attained similar levels of performance by its end. Although they increased their performance speed within sessions more than their peers, they did not retain their learning as well between sessions. The loss in speed was largest in the 10-day retention interval. They were also less accurate, but accuracy differences decreased over time. Between-session group differences in speed could not fully be accounted for based on fine motor skills. Conclusions In spite of effective within-session learning, children with SLI did not retain the new skill well. The deficit may be attributed to task forgetting in the presence of delayed consolidation processes.

The Diagnostic Accuracy of Four Vocabulary Tests Administered to Preschool-Age Children

1999 ◽  
Vol 30 (2) ◽  
pp. 196-206 ◽  
Author(s):  
Shelley Gray ◽  
Elena Plante ◽  
Rebecca Vance ◽  
Mary Henrichsen
Keyword(s):  
Construct Validity ◽  
Empirical Evidence ◽  
Language Impairment ◽  
Specific Language Impairment ◽  
Test Validity ◽  
Preschool Age ◽  
Vocabulary Test ◽  
Expressive Vocabulary ◽  
Significant Group ◽  
Preschool Age Children

This study examined the empirical evidence for using four vocabulary tests (Peabody Picture Vocabulary Test-III [Dunn & Dunn, 1997], Receptive One-Word Vocabulary Test [Gardner, 1985], Expressive Vocabulary Test [Williams, 1997], Expressive One-Word Vocabulary Test-Revised [Gardner, 1990]) to screen or identify specific language impairment (SLI) in preschool-age children. Tests were administered to 31 4- and 5-year-old children with SLI and 31 age-matched controls with normal language (NL). All children spoke General American English. Despite moderate to strong inter-test correlations, no test was a strong identifier of SLI. The group with SLI scored lower than the NL group on each test; however, the individual scores of children with SLI typically fell within the normal range. Vocabulary tests are frequently administered to determine whether a child’s language skills require further evaluation (screening), as a method of identifying SLI in children, or simply to describe aspects of language functioning. These purposes for administering a vocabulary test require various forms of empirical evidence in support of their use. Our data support construct validity for the four vocabulary tests examined, but do not support their use for identification purposes. Clinicians must apply a degree of sophistication in evaluating the evidence presented for test validity relative to the purposes for which the test will be administered. Unfortunately, although many test manuals offer inter-test correlations or statistically significant group differences as evidence of construct validity, they often omit data that would support common clinical uses, such as screening or identification.

scholarly journals Annoying Danish relatives: Comprehension and production of relative clauses by Danish children with and without SLI

2012 ◽  
Vol 41 (1) ◽  
pp. 51-83 ◽  
Author(s):  
KRISTINE JENSEN DE LÓPEZ ◽  
LONE SUNDAHL OLSEN ◽  
VASILIKI CHONDROGIANNI
Keyword(s):  
Language Impairment ◽  
Specific Language Impairment ◽  
Relative Clauses ◽  
Typically Developing ◽  
Production Task ◽  
Thematic Roles ◽  
Specific Language ◽  
Avoidance Strategies ◽  
Reversal Errors ◽  
Object Relative

ABSTRACTThis study examines the comprehension and production of subject and object relative clauses (SRCs, ORCs) by children with Specific Language Impairment (SLI) and their typically developing (TD) peers. The purpose is to investigate whether relative clauses are problematic for Danish children with SLI and to compare errors with those produced by TD children. Eighteen children with SLI, eighteen TD age-matched (AM) and nine TD language-matched (LM) Danish-speaking children participated in a comprehension and in a production task. All children performed better on the comprehension compared with the production task, as well as on SRCs compared to ORCs and produced various avoidance strategies. In the ORC context, children with SLI produced more reversal errors than the AM children, who opted for passive ORCs. These results are discussed within current theories of SLI and indicate a deficiency with the assignment of thematic roles rather than with the structural make-up of RCs.

Gesture and speech during shared book reading with preschoolers with specific language impairment

2015 ◽  
Vol 42 (6) ◽  
pp. 1191-1218 ◽  
Author(s):  
MANUELA LAVELLI ◽  
CHIARA BARACHETTI ◽  
ELENA FLORIT
Keyword(s):  
Language Impairment ◽  
Specific Language Impairment ◽  
Sequential Analysis ◽  
Book Reading ◽  
Shared Book Reading ◽  
Typically Developing ◽  
Specific Language ◽  
Potential Effectiveness ◽  
Maternal Speech ◽  
The Relationship

ABSTRACTThis study examined (a) the relationship between gesture and speech produced by children with specific language impairment (SLI) and typically developing (TD) children, and their mothers, during shared book-reading, and (b) the potential effectiveness of gestures accompanying maternal speech on the conversational responsiveness of children. Fifteen preschoolers with expressive SLI were compared with fifteen age-matched and fifteen language-matched TD children. Child and maternal utterances were coded for modality, gesture type, gesture–speech informational relationship, and communicative function. Relative to TD peers, children with SLI used more bimodal utterances and gestures adding unique information to co-occurring speech. Some differences were mirrored in maternal communication. Sequential analysis revealed that only in the SLI group maternal reading accompanied by gestures was significantly followed by child's initiatives, and when maternal non-informative repairs were accompanied by gestures, they were more likely to elicit adequate answers from children. These findings support the ‘gesture advantage’ hypothesis in children with SLI, and have implications for educational and clinical practice.

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