Quantifying Adaptive Behavioral Responses to Discomfort Glare - A Comparative Analysis of Daylit Offices
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Discomfort glare from daylight is among the most common issues in commercial offices and has been shown to negatively impact productivity, comfort, and well-being. While occupants' adaptive behavioral responses to discomfort glare can significantly alter both the energy use profile and indoor environmental quality of a workspace, little is know about the specific relationship between the environment in which discomfort glare is perceived and the subsequent behavioral response to it. This study proposes a new Glare Response Sensitivity index to evaluate the relationship between environmental parameters and behavioral outcomes in a daylit commercial office building. The results of this study show through a parametric analysis that perceptual sensitivity mediates the relationship between environmental lighting conditions and controls use behaviors. Further, the results suggest that spatial factors including office type and level of control over the environment may affect the likelihood of active lighting controls use behaviors in daylit buildings.