科技的迅速發展，手機行銷的成長與網路發達已成為趨勢，在軟體系統上的變革，每個人都可以在手機平台上使用開放程式，應用軟體程式的開發市場也快速成長，人們更仰賴於在社群網路的互相交流，因此可以預見人們使用行動裝置之適地性服務(Location-based service, LBS)應用軟體的行為將會越來越普遍。本研究之目的乃針對適地性服務應用軟體使用性進行研究，運用使用性評估與訪談方式，分析適地性服務應用軟體介面的使用性，並改善目前適地性服務應用軟體之使用者介面設計，提升使用者的滿意度。
本研究包含兩部分實驗：（1）現有適地性服務應用軟體介面調查：了解目前適地性服務應用軟體介面之問題，包含使用者實際操作計測、使用者互動滿意度量表、系統使用性尺度量表及簡單的訪談，暸解使用者需求以及操作上遇到的問題。（2）驗證實驗：將前階段之結果，模擬適地性服務應用軟體介面，同時整理歸納相關文獻研究，進行驗證實驗。
驗證實驗採用3（圖片資訊呈現）x 2（選單顯隱型式）雙因子混合設計之方式，邀請60位受測者進行任務操作與實驗，針對現有(Location-based service, LBS)之應用程式之實際操作與互動感受進行介面設計研究。「圖片資訊呈現」之變項分為三層級：（a）單排圖片資訊全部呈現：以單排直向的圖片資訊（固定寬為576 Pixel）顯示全範圍的圖片（b）單排圖片資訊部分呈現：以單排直向的圖片資訊（固定寬與高為576 x 304 Pixel）顯示全範圍的圖片（c）雙排圖片資訊全部呈現：以雙排直向的圖片資訊（固定寬為270 Pixel）顯示全範圍的圖片。而「選單顯隱型式」共有兩層級：（a）顯示功能選單：瀏覽資訊時，上下選單保持固定（b）隱藏功能選單：瀏覽資訊時，手指往上滑選單會消失，手指往下滑選單會出現。透過實驗可獲得操作績效、介面互動滿意度、系統使用性與使用者心智負荷感受之結果。
研究結果如下：（1）適地性服務行動軟體在功能階層介面連接重複性太高，容易導致受測者容易迷失方向（2）適地性服務行動軟體中有部分互動方式與一般大眾認知較不相符，操作應符合原先的經驗（3）採用「隱藏功能選單+雙排全圖」的型式能提高操作效率（4）「隱藏/顯示功能選單+單排全圖」的型式較符合使用經驗，為使用者介面滿意度為最高之型式（5）使用「隱藏功能選單」較「顯示功能選單」之系統使用性評價高，使用者認為是一個能增加使用性的設計（6）「隱藏功能選單+單排切圖」之畫面對於使用者整體負荷程度為最低的型式。結果證實「圖片資訊呈現」與「選單顯隱型式」，對於適地性服務行動軟體介面的使用性與操作感受有顯著的影響。

With the rapid progress of advanced technology, the marketing growth of mobile phones and the prosperity of the Internet have led the trend. Because of the change in software systems, everyone can use applications open to public on mobile phones. Also, the market of applications has also developed rapidly. People are dependent on Social Networking Service Interaction. Therefore, it is foreseeable that people’s behavior of holding the mobile devices with LBS mobile software will become increasingly common. This study intends to investigate the interface usability of LBS mobile software. It is hoped that the user interface design of current LBS mobile software can be improved and the users’ satisfaction will be enhanced.
The experiment in this study includes two stages:（1）The pilot test: The purpose is to investigate the current LBS mobile software user interface. An experiment was conducted to help understand potential interaction problems of the current LBS mobile software. The tools include user’s task performance, QUIS questionnaire, SUS questionnaire, and interview so that we can understand users’ requirements and interaction problems.（2）The validate experiment: Based on the results generated from the first stage together with the summaries from the relevant literatures, validate experiment was conducted.
The experiment was planned based on a 3 (photo information representation styles) by 2 (menu function styles) two-way ANOVA design. A total of 60 participants were invited to conduct tasks in the experiment. This study also researched to conduct the interface design research by operating the current LBS application and the interaction senses. There are three levels in the independent variable of photo information representation styles:（a）photo information is presented as a whole of single column: a complete photo showed vertically in a single column with fixed width set to 576 pixels)（b）photo information is partially presented of single column: a complete photo showed vertically in a single column with fixed width and length set to 576 pixels by 304 pixels)（c）photo information is presented as a whole of double columns. There are two levels in the independent variable of menu function styles: a complete photo showed vertically in a single column with fixed width set to 270 pixels) （a）show function bars: browsing with fixed top and down bars.（b）hide function bars: slide upwards to hide bars and downwards to show bars while browsing. Based on the experiment, the results regarding user task performance, questionnaire for user interface satisfaction （QUIS）,system usability scale（SUS）, and users’ experiences can be obtained.
The generated results indicated that:（1）Some interactive styles in LBS mobile software are inconsistent with what has been known by the public, and should be operated consistently with their previous experiences.（2）The repetition rate in the function interface is so high in LBS mobile software that the testers are vulnerable to lose instructions.（3）The use of “hide function bars” together with ” photo information is presented as a whole of double columns” style can help acquire best task performance. The users generally thought that （4）The Highest user interface satisfaction（QUIS）accords to the users’ experience with “show and hide function bars” style.（5）“Hide function bars” obtains more values than “show function bars ”on SUS questionnaire. The users also thought that the former design can help to enhance usability scale.（6）By using “hide function bars” together with “photo information is partially presented of single column” style, the users felt the lowest mental demand of user interface. Therefore, according to the experimental results, the factors of photo information presenting styles and menu function styles indeed have significant influences on LBS mobile software.

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