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Dynamic display of in-vehicle text messages: the impact of varying line length and scrolling rate.

Authors
Hoffman-JD; Lee-JD; McGehee-DV
Source
Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, October 16-20, 2006, San Francisco, California. Santa Monica, CA: Human Factors and Ergonomics Society, 2006 Oct; 50(4):574-578
NIOSHTIC No.
20040629
Abstract
This study examined the effect of varying dynamic display characteristics of in-vehicle text messages on visual sampling behavior. Sixteen participants navigated a simulated driving environment while reading text messages on an in-vehicle display. Each participant was exposed to four combinations of message segment length (short or long) and scrolling rate (slow or fast). Visual sampling was measured by the frequency and duration of glances to the display and the roadway, and comprehension of messages was measured by a series of post-drive questions. Results showed that varying segment length and scrolling rate affected the number of glances made to the display, but not their duration. Participants adjusted their reading rate to accommodate the rate at which messages scrolled, which protected reading comprehension but reduced the time spent viewing the roadway as the rate increased.
Keywords
Humans; Men; Women; Visual-motor-performance; Visual-motility; Visual-fields; Reaction-rates; Behavior; Eye-movement; Eyes
CODEN
PHFSDQ
Publication Date
20061001
Document Type
Conference/Symposia Proceedings
Funding Type
Grant
Fiscal Year
2007
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T42-OH-008491
Issue of Publication
4
ISSN
1071-1813
Source Name
Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, October 16-20, 2006, San Francisco, California
State
IA
Performing Organization
University of Iowa
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