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Monday, July 8 • 11:40 - 12:00
EFFECTS OF THE ACOUSTICAL WORK ENVIRONMENT ON READING PERFORMANCE IN EMPLOYEES: A LABORATORY STUDY ON THE EVALUATION OF A READING TASK

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Reading is a typical task in everyday life of employees. Many employees have to get information or instructions from written material in the frame of their occupation. Reading was therefore chosen as the main task in a resarch project on noise effects on cognitive performance at the work place. In order to get valid results on the possible effects, it is important to use a task that is sensitive to noise, and that is evaluated with regard to training effects and also to the equivalence of different test versions, when more than one version is used. The project has several work packages. Currently an experimental study with 51 participants has been finished, where the participants worked on a reading task that was developed by this author. The task has two different versions. Participants were asked to find mistakes in sentences that were presented on a computer screen. Since the focus of this study was mainly on the task itself, participants worked on the task either twice in a silent condition (group 1) or twice in a condition with speech as background sound (group 2). Each person worked once on test version A and once on test version B. The main questions in this study were: (1) Is there a difference between the mean results in the first and the second run, and if so, is this different for group 1 and group 2? (2) Are there differences in the performance between both test versions? The results are presented and discussed in this contribution. They will finally be used to optimise the reading task and the design of the test runs, in order to get a solid basis for a prospected work package in which the effects of different typical sounds from the work place will be investigated.

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Monday July 8, 2019 11:40 - 12:00 EDT
St-Laurent 4
  T11 Room & build. acoustics, RS02 Hmn resp to noise & vibr in blt env