Juslén, H., & Tenner, A. (2005). Mechanisms involved in enhancing human performance by changing the lighting in the industrial workplace. International Journal Of Industrial Ergonomics, 35(9), 843-855. doi:10.1016/j.ergon.2005.03.002
Henri Juslen from the Helsinki University of Technology and Ariadne Tenner from Philips Lighting LTD seek to address the question, “What is happening when we change the lighting at an industrial workplace?” The research looks for a new approach for looking at the effects of a change in lighting on performance. Performance is measured with an array of mechanisms: visual performance, visual comfort, visual ambience, interpersonal relationships, biological clock, stimulation, job satisfaction, problem solving, and change process. Stimulation seems to show little effect and requires more research that would allow for this mechanism to have specific connections between physical and psychological effects of light simulation that would separate it from the regular ten listed. Due to individual preferences and effects there is a difficulty in defining ambiance that works for all individuals. Factors such as gender, cultural background, life style, family situation, genetics, and personality play important roles and show that lighting changes have a range of positive and negative effects from person to person and task to task. The style and vocabulary of Juslen’s work would make the article of interest to any reader, and his call for more field studies shows the possible impacts are worth the investment for both workplaces and lighting professionals. Juslen’s format of the article is easy to comprehend and uses convenient listing styles to summarize major points. Researchers and practitioners would benefit highly from the research in their efforts in the fields of industrial lighting and productivity.
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