Journal
LIGHTING RESEARCH & TECHNOLOGY
Volume 51, Issue 4, Pages 557-575Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1477153518775464
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/M02900X/1]
- EPSRC [EP/M02900X/1] Funding Source: UKRI
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A field study was conducted to investigate how changes in the illuminance affect pedestrian reassurance when walking after dark in an urban location. The field study was conducted in daytime and after dark in order to employ the day-dark approach to analysis of optimal lighting. The results suggest that minimum illuminance is a better predictor of reassurance than is mean illuminance. For a day-dark difference of 0.5 units on a 6-point response scale, the results suggest a minimum horizontal illuminance of approximately 2.0 lux.
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