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URN etd-0912108-150044 Statistics This thesis had been viewed 3628 times. Download 2341 times. Author Ray-Teng Pai 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 172 Title Designing the Menu Presentation of User Interface for MP3 Player Keyword mental model MP3 player middle-aged and old user group User-interface User-interface middle-aged and old user group MP3 player mental model Abstract The aim of this study is to investigate the usability of the operating interface of MP3 players in terms of the user mental model and to propose new models based on the results of the pilot test.
This study first applied both the quantitative and qualitative approaches to analyze and compare users’ operating efficiency and feelings about MP3 players. Then, two novel, emulated MP3 player interfaces were developed according to results of the literature review and pilot test. A practical test, survey and interviews were conducted on these two interfaces to provide full-scaled research results as shown below.
(1) The effect between operating efficiency and user preferences is indefinite. In the pilot tests, the operating efficiency of the iPod samples is lower than that of Sony, but the former has better subjective ratings. Also in the practical test, instead of interfaces with higher operating efficiency, users prefer interfaces with pleasant feelings, interactions and better visual effects. As such, it is clear that designers seeking to enhance the operating efficiency of MP3 players without considering the subjective views of consumers will be unable to fulfill the consumer preferences. Observations of this study also indicate that visual effects play a decisive role in user preferences, particularly the dynamic effect, iconic display design and color scheme, which are the essentials of user preferences. Therefore, it is recommended that MP3 player designers should add suitable dynamic effects to their products in order to help users establish a correct mental model of product operations and to increase the pleasant feelings of product use.
(3) The difference in the same emulated interface between young and old users is insignificant. This suggests that the interface design satisfying one user group will not bring trouble to another group according to this study; i.e. emulated interfaces have better comments in the young user group also have the better comments in the old user group.
Advisor Committee Chih-Yuan Lo - advisor
Chien-Hsiung Chen - co-chair
Li-Chieh Chen - co-chair
Files Date of Defense 2008-08-25 Date of Submission 2008-09-12