Wpływ warunków akustycznych na subiektywnie odczuwane obciążenie i zmęczenie pracowników biurowych
The impact of acoustic conditions on the mood and fatigue of office workers

Summary/Abstract: Noise in the office work environment is one of the factors that can negatively affect workers' ability to concentrate, cognitive abilities, number of errors made, productivity and comfort. The aim of the study was to determine the effects of acoustic conditions in the mental work environment on psychosocial load. The presented results refer to the subjective assessment (made by a group of 39 people aged 20 to 34) of work performed in various acoustic conditions (variant W1 – no presentation of acoustic stimuli, variant W2 – sounds from office equipment, variant W3 – sounds of office equipment with quiet conversation in Polish, variant W4 – sounds of office equipment with loud conversation in Polish, variant W5 – filtered pink noise). The results indicate a statistically significant greater separation (in the W3 variant) and fatigue (in the W3, W4 and W5 variant) assessed according to the Grandjean Scale. The data obtained using the NASA-TLX questionnaire indicate that the subjects rated highly psychosocial load, strong time pressure and work-related effort. However, these results were not statistically significantly different between the study variants.

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