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The Language Exposure Assessment Tool: Quantifying Language Exposure in Infants and Children

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Title: The Language Exposure Assessment Tool: Quantifying Language Exposure in Infants and Children
Language: English
Authors: DeAnda, Stephanie, Bosch, Laura, Poulin-Dubois, Diane, Zesiger, Pascal, Friend, Margaret
Source: Journal of Speech, Language, and Hearing Research. Dec 2016 59(6):1346-1356.
Availability: American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Peer Reviewed: Y
Page Count: 11
Publication Date: 2016
Sponsoring Agency: National Institutes of Health (DHHS)
Contract Number: 5R01HD068458
HD06845802S1
1F31HD081933
Document Type: Journal Articles
Reports - Research
Descriptors: Evaluation, Language Skills, Infants, Children, French, Spanish, English, Bilingualism, Language Enrichment, Intercultural Communication, Research Tools, Questioning Techniques
DOI: 10.1044/2016_JSLHR-L-15-0234
ISSN: 1092-4388
Abstract: Purpose: The aim of this study was to develop the Language Exposure Assessment Tool (LEAT) and to examine its cross-linguistic validity, reliability, and utility. The LEAT is a computerized interview-style assessment that requests parents to estimate language exposure. The LEAT yields an automatic calculation of relative language exposure and captures qualitative aspects of early language experience. Method: Relative language exposure as reported on the LEAT and vocabulary size at 17 months of age were measured in a group of bilingual language learners with varying levels of exposure to French and English or Spanish and English. Results: The LEAT demonstrates high internal consistency and criterion validity. In addition, the LEAT's calculation of relative language exposure explains variability in vocabulary size above a single overall parent estimate. Conclusions: The LEAT is a valid and efficient tool for characterizing early language experience across cultural settings and levels of language exposure. The LEAT could be a useful tool in clinical contexts to aid in determining whether assessment and intervention should be conducted in one or more languages.
Abstractor: As Provided
Entry Date: 2016
Accession Number: EJ1124076
Database: ERIC
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Speech%2C+Language%2C+and+Hearing+Research%22"><i>Journal of Speech, Language, and Hearing Research</i></searchLink>. Dec 2016 59(6):1346-1356.
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  Data: American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
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  Data: <searchLink fieldCode="DE" term="%22Evaluation%22">Evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Language+Skills%22">Language Skills</searchLink><br /><searchLink fieldCode="DE" term="%22Infants%22">Infants</searchLink><br /><searchLink fieldCode="DE" term="%22Children%22">Children</searchLink><br /><searchLink fieldCode="DE" term="%22French%22">French</searchLink><br /><searchLink fieldCode="DE" term="%22Spanish%22">Spanish</searchLink><br /><searchLink fieldCode="DE" term="%22English%22">English</searchLink><br /><searchLink fieldCode="DE" term="%22Bilingualism%22">Bilingualism</searchLink><br /><searchLink fieldCode="DE" term="%22Language+Enrichment%22">Language Enrichment</searchLink><br /><searchLink fieldCode="DE" term="%22Intercultural+Communication%22">Intercultural Communication</searchLink><br /><searchLink fieldCode="DE" term="%22Research+Tools%22">Research Tools</searchLink><br /><searchLink fieldCode="DE" term="%22Questioning+Techniques%22">Questioning Techniques</searchLink>
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  Data: 10.1044/2016_JSLHR-L-15-0234
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  Data: Purpose: The aim of this study was to develop the Language Exposure Assessment Tool (LEAT) and to examine its cross-linguistic validity, reliability, and utility. The LEAT is a computerized interview-style assessment that requests parents to estimate language exposure. The LEAT yields an automatic calculation of relative language exposure and captures qualitative aspects of early language experience. Method: Relative language exposure as reported on the LEAT and vocabulary size at 17 months of age were measured in a group of bilingual language learners with varying levels of exposure to French and English or Spanish and English. Results: The LEAT demonstrates high internal consistency and criterion validity. In addition, the LEAT's calculation of relative language exposure explains variability in vocabulary size above a single overall parent estimate. Conclusions: The LEAT is a valid and efficient tool for characterizing early language experience across cultural settings and levels of language exposure. The LEAT could be a useful tool in clinical contexts to aid in determining whether assessment and intervention should be conducted in one or more languages.
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