LENA: LANGUAGE ENVIRONMENT ANALYSIS

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LENA: LANGUAGE ENVIRONMENT ANALYSIS Image from LENA Research Foundation. (2011) LENA Every Word Counts. Retrieved from http://www.lenafoundation.org/Default.aspx SARA MARKER, DEBBIE REMLEY, GLENDA SMITH

WHAT IS LENA? An automatic language collection and analysis system Collects data: Adult-Child Interactions Adult Words Turn Taking Child Utterances Electronic Sounds (LENA Foundation, 2011d)

WHO CREATED LENA? The LENA Research Foundation Nonprofit Charity Organization Created by Judith and Terry Paul Strives for advancements in technology Specific to assessments, research and treatment (LENA Foundation, 2011a)

HOW IS LENA USED? MATERIALS NEEDED? Used for children 2 months to 4.0 years of age A child wears specialized clothing (LENA clothing) A LENA Digital Language Processor (DLP) slips into pocket The DLP gathers data from child’s daily speech and language encounters. Professionals and researchers use the LENA software to transcribe, interpret and analyze language data. (LENA Foundation, 2011d)

WHERE IS LENA USED? Over 80 Universities 7 Research Institutes 10 Public Schools 13 Organizations for Children who are Deaf or Hard of Hearing 7 Hospitals 3 Non-Profit Agencies (LENA Foundation, 2011e)

BENEFITS OF LENA? According to The LENA Foundation (2011c), benefits include: Gathers data from high quality audio to analyze (16 hours) morphology, phonology, syntax, semantics, pragmatics, language acquisition, adult-child and child to child interactions, and code switching (¶1). Transcribes data Calculates word and approximate utterance counts, frequencies, and durations Calculates sound pressures, amount of TV/electronic sounds Used to study literacy and child development

DISADVANTAGES OF LENA? Cost: According to The LENA Foundation (2011f), LENA Home System (For parents) = $699.00 LENA Digital Processor (DLP) = $399.00 each LENA PRO: One has to call for a quote $$$$$ Clothing sold separately: $15.00 each Miscellaneous accessories $$ Analysis is very time consuming (Abbie McCauley, Personal Communication, 2011) The default analysis program is not as meaningful as ADEX software (Abbie McCauley, Personal Communication, 2011)

WHAT OTHERS’ SAY ABOUT LENA? Dr. Steve Warren (Expert in Autism Spectrum Disorders) discusses how LENA may help researchers and professionals understand ASD: http://www.youtube.com/watch?v=ZNzN84V7qJE According to Dr Gina Gomez de la Cuesta from The National Autistic Society: "Any tools which could help to identify speech and language difficulties at a younger age have the potential to help families, when used with professional guidance” (BBC, 2010). According to Yoshinaga-Itano, Gilkerson, Baca, Beams, and Wiggins (2011), “[LENA] provides an important piece of information about the language environment of the child when not in therapy” (Slide 30).

REFERENCES BBC. (2010). Voice technology ‘could help detect autism’. Retrieved from http://www.bbc.co.uk/news/health- 10686912 LENA Foundation. (2011a). About us. Retrieved from http://www.lenafoundation.org/About.aspx LENA Foundation. (2011b). Every word counts. [Image]. Retrieved from http://www.lenafoundation.org/ LENA Foundation. (2011c). Innovative uses of LENA Pro. Retrieved from http://www.lenafoundation.org/InnovativeUsesForLENA.aspx?sub=true LENA Foundation. (2011d). LENA Pro q & a. Retrieved from http://www.lenafoundation.org/FAQ.aspx LENA Foundation. (2011e). List of LENA Pro users. Retrieved from http://www.lenafoundation.org/about/UniversityList.aspx LENA Foundation. (2011f). Welcome to LENA shop. Retrieved from http://shop.lenafoundation.org/default.aspx NBCActionNews. (2011). Autism organization honors KU study. [Video File]. Retrieved from http://www.youtube.com/watch?v=ZNzN84V7qJE Yoshinaga-Itano, C., Gilkerson, J., Baca, R., Beams, D., & Wiggins, M. (2011). Adding the missing link to language assessment: LENA. [PowerPoint Slides]. Retreived from http://www.infanthearing.org/meeting/ehdi2011/ehdi_2011_presentations/topical7/Christine_Yoshinaga- Itano2.pdf