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1
The ‘acoustic health’ of primary school classrooms in Brisbane, Australia
Abstract: Purpose: To examine the ‘acoustic health’ of primary school classrooms in Brisbane, Australia. Methods: An acoustic survey was conducted on 33 primary school classrooms in Brisbane, Australia. The classrooms were typical for the region being single cell or dual cells separated by a concertina divider, varying in volume from 69 to 378 m, and made predominantly from acoustically hard materials. Results: The unoccupied sound levels ranged from 25.7 to 50.0 dB L and reverberation times (RTs) from 0.34 to 1.26 s. This represented a 26% failure rate for unoccupied sound level and 79% failure rate for RTs against Australian Standards for teaching spaces in primary school classrooms. Closer analysis of 12 of the classrooms showed occupied sound levels from 49.8 to 64.8 dB L during quiet activity, and speech transmission indexes (STI) ranging from 0.35 to 0.80 (on a scale of 0–1). This represented a 92% failure rate for occupied sound level and STI against research recommendations for teaching spaces in primary school classrooms in Australia. Conclusions: The high percentage of classrooms returning unsatisfactory acoustic measures supports long-standing and ongoing calls around the world to systematically improve classroom acoustics. We conclude with practical suggestions to mitigate the identified acoustic problems in these classrooms.
Keyword: 2733 Otorhinolaryngology; 3310 Linguistics and Language; 3616 Speech and Hearing; Classroom acoustics; Primary school; Reverberation time; Sound level; Speech transmission index
URL: https://espace.library.uq.edu.au/view/UQ:0434e82
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2
Improved signal-to-noise ratio and classroom performance in children with autism spectrum disorder: a systematic review
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3
The Autism Diagnostic Observation Schedule and narrative assessment: evidence for specific narrative impairments in autism spectrum disorders
Arnott, Wendy L.; Harper-Hill, Keely; Banney, Rebeca M.. - : Informa Healthcare, 2015
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4
Pathways to meaning: written and spoken word priming in children with ASD versus typically developing peers
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5
Efficiency of lexical access in children with autism spectrum disorders: does modality matter?
Harper-Hill, Keely; Copland, David; Arnott, Wendy. - : Springer New York, 2014
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6
Do spoken nonword and sentence repetition tasks discriminate language impairment in children with an ASD?
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