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Conrad Kraft

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Publications by Conrad Kraft (bibliography)

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1989
 
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Barfield, Woodrow, Rosenberg, Craig and Kraft, Conrad (1989): The Effects of Visual Cues to Realism and Perceived Impact Point during Final Approach. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 115-119.

This research investigated the effect of providing three different simulations of ground terrain on the ability of subjects to accurately determine the aimpoint during a final approach. Several simulations were created to model a straight-in final approach (3 degree glideslope) to a standard FAA runway from several distances. The three levels of terrain realism ranged from a homogeneous surface to farmlands with hills. The subject's task was to estimate the aimpoint which represented an extrapolation of the flightpath to its point-of-contact with the ground as well as the altitude at nine different distances from threshold. The results indicated that increased levels of realism lead to better performance in judging altitude and predicting aimpoint during a simulated final approach.

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Barfield, Woodrow, Bun, Loo Kar and Kraft, Conrad (1989): The Influence of Eccentricity, Contrast, and Angular Extent on the Perception of Peripheral Apparent Motion. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 1445-1449.

Two experiments were performed to investigate the perception of peripherally presented apparent motion as a function of eccentricity of the stimulus, ambient illumination, gender, athletic ability, age, stimuli pattern (diamond, square), and angular extent of stimuli presentation. The experiment task for both studies was to determine the direction of apparent motion for a lighter than background stimulus target presented on a Braumbach perimeter. The results from experiment one indicated main effects for subjects, eccentricity, and age. The results from experiment two indicated main effects for subjects, eccentricity, and angular separation of the apparent motion.

© All rights reserved Barfield et al. and/or Human Factors Society

 
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Changes to this page (author)

21 Feb 2010: Modified
26 Jun 2007: Added
26 Jun 2007: Added

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May 19

Design can be art. Design can be aesthetics. Design is so simple, that's why it is so complicated.

-- Paul Rand, 1997

 
 

Featured chapter

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

Read Steve's chapter !

 
 

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