2024 No A slight increase in reverberation time in the classroom affects performance and behavioral listening effort https://pubmed.ncbi.nlm.nih.gov/34369418/ Prodi, Nicola Europe Experimental Epidemiological Students Middle/Jr High (6-8) Noise Test performance children Classroom acoustics Comprehension Listening effort Math Reverberation Speech perception In a study of 302 students (ages 11-13), a small increase in classroom reverberation time worsened speech perception and listening effort, especially with background noise. Results highlight the need for optimized acoustics to support learning. 2021