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South African Journal of Childhood Education

versión On-line ISSN 2223-7682
versión impresa ISSN 2223-7674

Resumen

VAN TONDER, Jessica et al. Effect of visual feedback on classroom noise levels. SAJCE [online]. 2015, vol.5, n.3, pp.1-6. ISSN 2223-7682.  http://dx.doi.org/10.4102/sajce.v5i3.265.

This study explored the effect of visual feedback on classroom noise levels, using a SoundEar II device that monitors noise levels in real time with feedback on intensity levels using a lighting system. During phase one, noise levels from three classrooms in the same school were measured over 36 h of classroom activities. For phase two, six teachers from two schools completed a questionnaire describing their experiences using the device. Visual feedback resulted in a 1.4-dBA reduction in the average noise levels. Classroom noise levels were above 70 dBA for 33% of the time in the baseline period compared to 24% in the intervention period with visual feedback provided on noise levels. Teacher perceptions indicated that visual feedback was beneficial to classroom noise levels and positively influenced the behaviour of learners. Visual feedback reduced overall classroom noise and can provide a cost-effective, noninvasive tool to create a more enabling classroom environment.

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