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Paul A. Green

Dr. Paul A. Green is a research professor in UMTRI's Driver Interface Group and an adjunct professor/research professor in the University of Michigan (U-M) Department of Industrial and Operations Engineering (IOE).  He is also a past president of the Human Factors and Ergonomics Society. ...

John M. Sullivan
Dr. John M. Sullivan is an associate research scientist and head of UMTRI's Human Factors Group. He has about 20 years of experience studying human factors in transportation at UMTRI.
 
His past work examined the influence of visibility, particularly at night...
Legibility index for examining common viewing situations a new definition using solid angle.
The legibility levels of text and graphics can be assessed using the Legibility Index, conventionally defined as the distance at which material can be read with perfect accuracy (the legibility distance) divided by the character height. The ratio equals the inverse tangent of the visual angle...
Automotive technology and human factors research : past, present, and future
This paper reviews the history of automotive technology development and human factors research, largely by decade, since the inception of the automobile. The human factors aspects were classified into primary driving task aspects (controls, displays, and visibility), driver workspace (seating and...
Potential distractions and unsafe driving behaviors among drivers of 1- to 12-year-old children
Driver distraction has been identified as a threat to individual drivers and public health. Motor vehicle collisions remain a leading cause of death for children, yet little is known about distractions among drivers of children. This study sought to characterize potential distractions among drivers...
The impact of Michigan's text messaging restriction on motor vehicle crashes
The purpose of this study was to determine the effects of Michigan's universal text messaging restriction (effective July 2010) across different age groups of drivers and crash severities. Methods: Changes in monthly crash rates and crash trends per 10,000 licensed drivers aged 16, 17, 18, 19...
Heejin Jeong

Dr. Heejin Jeong is a research fellow in UMTRI's Human Factors Group. He received his Ph.D. in Industrial and Operations Engineering from the University of Michigan with a focus on human factors and systems engineering. His primary research focuses on supporting human decision making in human...