Evaluations of effects due to low-frequency noise in a low demanding work situation. Bengtssona, J., Waye, K. P., & Kjellberg, A. Journal of Sound and Vibration, 278:83-99, 2004. abstract bibtex Noise sources with a dominating content of low frequencies (20–200 Hz) are found in many occupational environments. This study aimed to evaluate effects of moderate levels of low-frequency noise on attention, tiredness and motivation in a low demanding work situation. Two ventilation noises at the same A-weighted sound pressure level of 45 dB were used: one of a low-frequency character and one of a flat frequency character (reference noise). Thirty-eight female subjects worked with six performance tasks for 4 h in the noises in a between-subject design. Most of the tasks were monotonous and routine in character. Subjective reports were collected using questionnaires and cortisol levels were measured in saliva. The major finding in this study was that low-frequency noise negatively influenced performance on two tasks sensitive to reduced attention and on a proof-reading task. Performances of tasks aimed at evaluating motivation were not significantly affected. The difference in work performance was not reflected by the subjective reports. No effect of noise was found on subjective stress or cortisol levels.
@article{Bengtssona2004,
abstract = {Noise sources with a dominating content of low frequencies (20–200
Hz) are found in many occupational environments. This study aimed
to evaluate effects of moderate levels of low-frequency noise on
attention, tiredness and motivation in a low demanding work situation.
Two ventilation noises at the same A-weighted sound pressure level
of 45 dB were used: one of a low-frequency character and one of a
flat frequency character (reference noise). Thirty-eight female subjects
worked with six performance tasks for 4 h in the noises in a between-subject
design. Most of the tasks were monotonous and routine in character.
Subjective reports were collected using questionnaires and cortisol
levels were measured in saliva. The major finding in this study was
that low-frequency noise negatively influenced performance on two
tasks sensitive to reduced attention and on a proof-reading task.
Performances of tasks aimed at evaluating motivation were not significantly
affected. The difference in work performance was not reflected by
the subjective reports. No effect of noise was found on subjective
stress or cortisol levels.},
added-at = {2012-01-27T14:10:42.000+0100},
author = {Bengtssona, J. and Waye, K. Persson and Kjellberg, A.},
biburl = {https://www.bibsonomy.org/bibtex/22dec873f7ee90e1b3ee4e64f6e71ecba/muhe},
file = {Evaluations of effects due to low-frequency noise in a low demanding work situation.pdf:2004\\Evaluations of effects due to low-frequency noise in a low demanding work situation.pdf:PDF},
interhash = {f0a8778bafde7d599ae31af8d88fced2},
intrahash = {2dec873f7ee90e1b3ee4e64f6e71ecba},
journal = {Journal of Sound and Vibration},
keywords = {imported},
owner = {Mu},
pages = {83-99},
pdf = {Von Professor\Evaluations of effects due to low-frequency noise in a low demanding work situation.pdf},
timestamp = {2012-01-27T14:10:45.000+0100},
title = {Evaluations of effects due to low-frequency noise in a low demanding
work situation},
volume = 278,
year = 2004
}
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The major finding in this study was that low-frequency noise negatively influenced performance on two tasks sensitive to reduced attention and on a proof-reading task. Performances of tasks aimed at evaluating motivation were not significantly affected. The difference in work performance was not reflected by the subjective reports. 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This study aimed\n\tto evaluate effects of moderate levels of low-frequency noise on\n\tattention, tiredness and motivation in a low demanding work situation.\n\tTwo ventilation noises at the same A-weighted sound pressure level\n\tof 45 dB were used: one of a low-frequency character and one of a\n\tflat frequency character (reference noise). Thirty-eight female subjects\n\tworked with six performance tasks for 4 h in the noises in a between-subject\n\tdesign. Most of the tasks were monotonous and routine in character.\n\tSubjective reports were collected using questionnaires and cortisol\n\tlevels were measured in saliva. The major finding in this study was\n\tthat low-frequency noise negatively influenced performance on two\n\ttasks sensitive to reduced attention and on a proof-reading task.\n\tPerformances of tasks aimed at evaluating motivation were not significantly\n\taffected. The difference in work performance was not reflected by\n\tthe subjective reports. 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