学習作業に及ぼす騒音・振動の影響と妨害感の評定

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Experiments on individual and combined effects of noise and vibration low moderate intensity were conducted concerning paired associates learning task. The experiments concerned randomly intermittent noise at 64, 74 and 79 dB(A) (re 20 μPa,peaks az) and continuous or intermittent vibration noise at 66 and 76 dB (re 10^<-5> m/s^2, vertical whole-body sinusoidal in 5Hz). The learning task was evaluated by error rates in mean and standard deviation for each condition of noise and vibration. Subjective ratings of disturbance by noise and vibration were also made after the task. Sixty-four and 79dB(A) noise produced detrimental effects on the learning. Seventy-nine and added with the continuous vibration indicated elimination of the effects of noise and vibration alone. Further, high disturbance did always accompany high error rates in mean or standard deviation.
社団法人日本音響学会の論文