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Poor Listening Conditions Impair Memory for Intelligible Lectures: Implications for Acoustic Classroom Standards
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för inomhusmiljö. (Laboratoriet för tillämpad Psykologi)
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för inomhusmiljö. (Laboratoriet för tillämpad Psykologi)ORCID iD: 0000-0002-7584-2275
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för inomhusmiljö. (Laboratoriet för tillämpad Psykologi)
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för inomhusmiljö. (Laboratoriet för tillämpad Psykologi)
2009 (English)In: Building Acoustics, ISSN 1351-010X, Vol. 16, no 3, p. 257-265Article in journal (Refereed) Published
Abstract [en]

This paper reports two experiments on the effects of degraded speech signals on memory for spoken lectures. Experiment 1 showed that broadband noise impairs university students’ memory for a spoken lecture, even though the participants heard what was said. Experiment 2 showed that reverberation has detrimental effects to school adolescents’ memory for spoken lectures, similar to broadband noise. The results suggest that poor listening conditions (resulting from background noise and/or long reverberation time) impair memory and learning, even if the conditions allow the listeners to hear what is said. Since the goal for students and pupils attending to lectures is to remember the lecture rather than just hearing what is said, the results presented here indicate that standards for acceptable signal-to-noise ratios and reverberation times in buildings designed for learning should consider the distinction between speech intelligibility and memory. Standards should be based on memory criteria instead of intelligibility criteria.

Place, publisher, year, edition, pages
2009. Vol. 16, no 3, p. 257-265
Keywords [en]
coustic standards; Broadband noise; Classrooms; Memory; Reverberation time; Signal-to-noise ratio
National Category
Applied Psychology
Identifiers
URN: urn:nbn:se:hig:diva-5153DOI: 10.1260/135101009789877031Scopus ID: 2-s2.0-77957555990OAI: oai:DiVA.org:hig-5153DiVA, id: diva2:233225
Available from: 2009-08-31 Created: 2009-08-31 Last updated: 2018-03-13Bibliographically approved

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Ljung, RobertSörqvist, PatrikKjellberg, AndersGreen, Annemarie

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