Lighting and task parameters affecting posture, performance and subjective ratings

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TypeArticle
Journal titleJournal of the Illuminating Engineering Society
ISSN0099-4480
Volume15
Issue1
Pages2318; # of pages: 224
SubjectLighting; task physiology; posture; sitting position; visibility; legibility; visual comfort; viewing angles; numerical verification tasks; lighting design algorithms; reading-writing tasks; posture adjustment; Lighting
AbstractThe study identifies various task and lighting parameters that affect 1) posture and viewing angle, 2) performance of a numerical verification task, and 3) subjective ratings of task difficulty. It is concluded that a single (25-deg) viewing angle incorporated into most lighting design algorithms may not be adequate, since observers modify their posture in response to environmental conditions, apparently trying to achieve a constant level of task performance.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NotePresented at the Illuminating Engineering Society Conference, Detroit, MI, USA, July 21, 1985
Peer reviewedYes
IdentifierIRC-P-1361
NRC number25546
4390
NPARC number20359233
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Record identifier307d0568-843c-4b5e-b9c1-4be749cc4f50
Record created2012-07-20
Record modified2016-05-09
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