尋路是人一項重要的能力，當我們在尋路的過程中遇到困難時，容易產生負面的生理與心理感受，室內尋路行為涉及水平與垂直的移動，相較室外尋路更加複雜。隨著科技發展，已有許多輔助尋路的導航工具運用於室內空間，而目前數位室內導航工具的介面型式主要以圖像式介面為主，然而隨著對話式介面的應用逐漸提升，卻較少見對話式介面型式之導航工具，因此本研究將探討尋路行為與介面型式應用於導航之影響，期望能透過本研究探討導航輔助工具更多的可能性。

本研究實驗分為兩階段：(1) 前導實驗邀請四位受測者以口語描述路徑的方式，定義出指定路線中之關鍵地標，將實驗結果彙整出指定路線之路徑描述，並且建置出指定路線的導航內容，將其應用於第二階段的驗證實驗 (2)第二階段的驗證實驗以3 (俯瞰式、路徑式、混合式) × 2 (介面式、路徑式) 的雙因子組間的實驗設計方式進行，邀請共 48 位的受測者以線上測試的型式，個別操作 6 項實驗樣本進行測試，並測量依變數：判斷方向錯誤次數、任務時間績效、系統易用性尺度量表 (SUS)、 NASA-工作負荷量表 (NASA-TLX)、地標記憶數量。

實驗結果得知使用圖像式介面與對話式介面之導航工具對尋路行為皆無顯著差異，而採用不同尋路策略之尋路工具在跨樓層之室內環境會影響尋路行為，介面型式會對受測者採用尋路策略產生影響，若對話式介面型式之導航工具能具有更佳的介面設計彈性，則將能有助於提升導航輔助工具應用於社群軟體上之聊天機器人的尋路表現。本研究提出之設計建議如下：(1) 路徑式尋路策略較適用於跨樓層的室內導航；(2) 對話式介面受限於平台的規格，其資訊呈現方式的彈性較小； (3) 樓層轉換可視為一個新的路徑起點，應在樓層起點以地標輔助重新定位；(4) 室內導航應提供足夠且精簡的導航資訊，而非越多越好。

Wayfinding is an important ability to human. When a human encounters difficulties in the process of wayfinding, s/he will have negative feelings. Indoor wayfinding involves horizontal and vertical movement, which is more complicated than outdoor wayfinding. With the development of the science and technology, many navigation tools for assisting wayfinding have been used in indoor spaces. At present, the interface type of navigation tools is designed mainly based on graphic user interface. However, with the gradual improvement of the application of conversational user interface, the navigation tools with conversational interface type are still rare. Thus, this study will explore the effects of wayfinding behavior and interface type applied to navigation, expecting to look for more possibilities of designing navigation aids.

The experiment is divided into two stages: (1) The pilot experiment invites four participants to describe the particular route in oral. Define the key landmarks in the route and generating the navigation description of the route. Compile the experimental results into the route description of the designated route is the purpose of the pilot experiment. The results are applied to the second-stage of verification experiment. (2) The verification experiment is a two-factor experiment design, i.e., 3 (survey strategy, route strategy, and combine strategy) × 2 (graphic user interface and conversational user interface). In the experiment, 48 participants were invited to individually conduct the online test with 6 prototypes. There are 5 dependent variables were measured, i.e., the number of wrong turns, the time performance of tasks, System Usability Scale, NASA-Task Load Index, and number of recalling landmarks.

The results of experiment revealed that there existed no significant difference in the wayfinding behavior between the navigation tools of graphic user interface and the dialogue interface. The navigation tools using different wayfinding strategies may affect the wayfinding behavior in the indoor environment of different floors. The interface type will affect that which wayfinding strategies will be used. If the navigation tool of the conversational user interface type kept more flexibility on interface design, it might improve the wayfinding performance of the navigation chatbots regarding social software. The design suggestions are as follows: (1) Route strategy is more suitable for indoor navigation across floors; (2) Conversational user interface is limited by the specifications of the interface platform, and the presentation of information is less flexible; (3) Floor transitions point can be regarded as a starting point of new route. Repositioning should be aided by landmarks at the starting point of the floor; (4) Indoor navigation should provide sufficient and concise navigation information, rather than superfluous information.

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