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URN etd-0911108-151842 Statistics This thesis had been viewed 2652 times. Download 1570 times. Author I-cheng He Author's Email Address No Public. Department Industrial Design Year 2007 Semester 2 Degree Master Type of Document Master's Thesis Language Chinese&English Page Count 145 Title A Study of User Interface Design on Electronic
- A Case Study of Road Policing Duties
Keyword police electronic mobile devices user interface user interface design user interface design user interface police electronic mobile devices Abstract Abstract
The goal of this study is, through exploring the needs for the electronic mobile
devices by the police force, to achieve a suitable design of operation interface in the
electronic mobile devices that is tailored for police use in handling traffic violations in
This study is conducted in three stages. The first stage explores seminal aspects
such as constituent factors of an interface, human factor engineering of the user
interface, design skills of the user interface in the hand-held electronic mobile devices,
and literature in usability engineering, from which the design skills that can be
implemented to the operation interface of police electronic mobile devices are
identified. Next, from interviews with police officers and field observation of on-duty
police operation, the common issues and requirements that arise as the police handle
traffic violations are summarized.
In the second stage, two sets of user interfaces with different menu modes
accompanied by distinct ways of traffic law display, considering the tasks of “Person
and vehicle record inquiry” and ”Article input of traffic law” associated with traffic
violation processing, are designed according to the identified design skills and field
survey results. The two user interfaces are as follows: (1) Hidden-Pull down menu
and display of articles, items, and sections of traffic law on separate pages, and (2)
Expanded-Page tag, button menu and sequential single-page article display of the
In the third stage of this study, usability testing of the two user interfaces on the
uniform officers at the front level in the task force is conducted, followed by
evaluations and comparisons of their performance of duty by (1) Time Efficiency, (2)
Task demands in mental, physical, temporal, effort, performance, and frustration level,
and (3) User preference over the two interfaces.
Evaluated by the t-Test, the testing results indicate that (1) the “Expanded-Page
Tag, Button menu” interface exhibits better operation efficacy and is preferred by the
officers being surveyed; (2) there is no significant difference in the operation efficacy
between the two interfaces in their ways of traffic law display, while the “one with
sequential single-page article display” is preferred; (3) the frustration level in the
operation of the “Hidden-Pull down menu” interface is higher than that in the
“Expanded-Page Tag, Button menu” interface, with no considerable discrepancies in
other task demands; (4) low scores are obtained in the evaluation of the six task
demands when the police officers are operating both interfaces.
Advisor Committee Yung-chin Tsao - advisor
Chien-Hsiung Chen - co-chair
Li-chieh Chen - co-chair
Files Date of Defense 2008-07-29 Date of Submission 2008-09-11