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ReferencesNavigation arrowAuthorsNavigation arrowDavid Lovvoll
May 23

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David Lovvoll

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Publications by David Lovvoll (bibliography)

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1995
 
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Young, Stephen L., Wogalter, Michael S., Laughery, Kenneth R., Magurno, Amy and Lovvoll, David (1995): Relative Order and Space Allocation of Message Components in Hazard Warning Signs. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 969-973.

“Standards, guidelines, and research findings suggest that safety signs should generally contain four components: signal word, hazard, consequence and instruction statements. The purpose of this research is to determine the relative importance of different safety sign components. Two experiments examined this issue by having subjects construct a set of warning signs from component sections. In Experiment 1, participants manipulated component sections and assembled them onto a metal plate (of limited size). In Experiment 2, subjects worked with a technician to produce the signs on a computer. The relative importance of the individual components was determined by examining (1) use vs. omission rates, (2) size, and (3) order. The results show that few subjects used all the components in their warnings. Participants enlarged certain statements (Experiment 1) or added pictorials (Experiment 2) which necessitated the omission of other, presumably less-important, elements. The order of sign components was consistent only for signal words, which were placed generally at the top. The results suggest that, for certain hazards, the overall quality of information conveyed by a sign might be improved by eliminating or making smaller less important information, while simultaneously increasing the size of more relevant verbal information (or adding pictorials).”

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Changes to this page (author)

10 Feb 2010: Modified
27 Jun 2007: Added

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May 23

“ Knowledge is commonly socially constructed, through collaborative efforts towards shared objectives or by dialogues and challenges brought about by different persons' perspectives. ”

-- G. Salomon (in "Distributed Cognitions: Psychological and Educational Considerations")

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Help us help you!

 
 
 
 
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