David R. Lenorovitz

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The design and development of user interfaces to interactive computer systems is enhanced by permitting designers to easily express their design concepts in concrete, comprehensive, and comprehensible working models. A set of prototyping and simulation tools has been developed to be used as an integral part of the specification and design process. These(More)
The design and development of user interfaces to interactive computer systems has suffered from the inability of designers to easily express their design concepts in concrete, comprehensive, and comprehensible working models. An effort is underway to improve the process of man-machine dialogue design and implementation by developing prototyping and(More)
In the field of forensic human factors, experts are often called upon to assess and evaluate the adequacy of new or existing products' warnings or warnings systems. The usual goal of this evaluation is to arrive at a simple binary decision regarding the warning in question (i.e., does it "pass/fail", or is it "adequate/inadequate"). However, such a warning(More)
Various single-rider open vehicles, such as lawnmowers, are susceptible to overturning on slopes that are too steep for them. Warnings have included separation from the vehicles and avoiding slopes that are too steep. A recommended maximum slope is commonly 15 degrees. However, many individuals cannot evaluate slopes just by sight. Some mower manufacturers(More)
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