Evaluating English Morpheme Accuracy, Diversity, and Productivity Measures in Language Samples of Developing Bilinguals

Irina Potapova; Sophia Kelly; Philip N Combiths; Sonja L Pruitt-Lord

doi:10.1044/2017_LSHSS-17-0026

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Evaluating English Morpheme Accuracy, Diversity, and Productivity Measures in Language Samples of Developing Bilinguals

Journal article

Open access

Peer reviewed

Evaluating English Morpheme Accuracy, Diversity, and Productivity Measures in Language Samples of Developing Bilinguals

Irina Potapova, Sophia Kelly, Philip N Combiths and Sonja L Pruitt-Lord

Language, speech & hearing services in schools, Vol.49(2), pp.260-276

04/05/2018

DOI: 10.1044/2017_LSHSS-17-0026

PMCID: PMC6105131

PMID: 29621805

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https://doi.org/10.1044/2017_LSHSS-17-0026View

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Abstract

This work explores the clinical relevance of three measures of morpheme use for preschool-age Spanish-English bilingual children with varying language skills. The 3 measures reflect accuracy, diversity (the tense marker total), and productivity (the tense and agreement productivity score [TAP score]) of the English tense and agreement system. Measures were generated from language samples collected at the beginning and end of the participants' preschool year. Participants included 74 typically developing Spanish-English bilinguals and 19 peers with low language skills. The morpheme measures were evaluated with regard to their relationships with other language sample measures, their ability to reflect group differences, and their potential for capturing morphological development at group and individual levels. Across both groups, the tense marker total and TAP scores were associated with other language measures and demonstrated both group differences and growth over time. The accuracy measure met few of these benchmarks. The tense marker total and TAP score, which were designed to capture emerging morphological abilities, contribute valuable information to a comprehensive language assessment of young bilinguals developing English. Case examples are provided to illustrate the clinical significance of including these measures in assessment.

Child Language

Child, Preschool

Female

Hispanic Americans - psychology

Humans

Language Development

Language Development Disorders - diagnosis

Language Tests - standards

Linguistics

Male

Multilingualism

Details

Title: Subtitle: Evaluating English Morpheme Accuracy, Diversity, and Productivity Measures in Language Samples of Developing Bilinguals
Creators: Irina Potapova - University of California, San Diego
Sophia Kelly - Arizona State University
Philip N Combiths - University of Iowa, Communication Sciences and Disorders
Sonja L Pruitt-Lord - San Diego State University, CA
Resource Type: Journal article
Publication Details: Language, speech & hearing services in schools, Vol.49(2), pp.260-276
DOI: 10.1044/2017_LSHSS-17-0026
PMID: 29621805
PMCID: PMC6105131
NLM abbreviation: Lang Speech Hear Serv Sch
ISSN: 0161-1461
eISSN: 1558-9129
Grant note: T32 DC007361 / NIDCD NIH HHS R03 DC012141 / NIDCD NIH HHS
Language: English
Date published: 04/05/2018
Academic Unit: Communication Sciences and Disorders; Center for Social Science Innovation
Record Identifier: 9984119798402771

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