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Children’s recall of words spoken in their first and second language: Effects of signal-to-noise ratio and reverberation time
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöpsykologi. Linnaeus Centre HEAD, Swedish Institute for Disability Research, University of Linköping, Linköping, Sweden; Department of Education, Health and Social Studies, University of Dalarna, Falun, Sweden.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöpsykologi.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöpsykologi.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Miljöpsykologi. (Environmental Psychology)ORCID-id: 0000-0003-4298-7459
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2016 (engelsk)Inngår i: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 6, artikkel-id 2029Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Speech perception runs smoothly and automatically when there is silence in the background, but when the speech signal is degraded by background noise or by reverberation, effortful cognitive processing is needed to compensate for the signal distortion. Previous research has typically investigated the effects of signal-to-noise ratio (SNR) and reverberation time in isolation, whilst few have looked at their interaction. In this study, we probed how reverberation time and SNR influence recall of words presented in participants’ first- (L1) and second-language (L2). A total of 72 children (10 years old) participated in this study. The to-be-recalled wordlists were played back with two different reverberation times (0.3 and 1.2 sec) crossed with two different SNRs (+3 dBA and +12 dBA). Children recalled fewer words when the spoken words were presented in L2 in comparison with recall of spoken words presented in L1. Words that were presented with a high SNR (+12 dBA) improved recall compared to a low SNR (+3 dBA). Reverberation time interacted with SNR to the effect that at +12 dB the shorter reverberation time improved recall, but at +3 dB it impaired recall. The effects of the physical sound variables (SNR and reverberation time) did not interact with language.

sted, utgiver, år, opplag, sider
2016. Vol. 6, artikkel-id 2029
Emneord [en]
Children, Speech Perception, reverberation time, signal-to-noise ratio, Second-language, classroom acoustics
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Identifikatorer
URN: urn:nbn:se:hig:diva-20903DOI: 10.3389/fpsyg.2015.02029ISI: 000368055900001PubMedID: 26834665Scopus ID: 2-s2.0-84959420428OAI: oai:DiVA.org:hig-20903DiVA, id: diva2:885582
Forskningsfinansiär
Swedish Research Council Formas, 242-2010-1006Tilgjengelig fra: 2015-12-19 Laget: 2015-12-19 Sist oppdatert: 2019-10-23bibliografisk kontrollert

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Hurtig, AndersKeus van de Poll, MarijkePekkola, ElinaHygge, StaffanLjung, RobertSörqvist, Patrik

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