資訊搜尋行為乃是消費者購買流程中重要的步驟之一，消費者通常會藉由搜尋 資訊來輔助其做出購買決策。近年來，隨著電子商務的篷勃發展，購物網站遂成為 消費者取得產品資訊的重要管道之一，消費者使用購物網站搜尋產品資訊時，網站 內搜尋引擎所顯示之大量搜尋結果，仰賴排序機制進行整理與呈現，例如依上市時 間排序、依銷量排序等功能。當產品資訊依照排序機制進行排列時，消費者會依照 排列順序依序進行點擊、瀏覽等行為，由此可發現排序機制會對消費者產生順序效 果，進一步影響消費者所獲得的資訊內容，因此，排序機制下所產生的順序效果為 本研究欲探討的議題之一。
而排序機制所提供的資訊品質是影響消費者對此功能滿意度的重要因素之一， 因此本研究分別以準確性、完整性、即時性及形式性四種特性，來衡量排序機制所 提供之資訊品質，藉此探討排序機制在順序效果下所提供之資訊品質，再進一步探 討在消費者感到滿意的狀態下，是否會促使其產生不再繼續搜尋產品資訊的衝動購 買行為。此外，本研究亦認為，消費者在不同的搜尋意圖下，會影響其衝動購買行 為的發生，遂加入交易意圖以及資訊意圖作為調節變數。
本研究以問卷調查之方式進行，並透過網路平台進行發放，最終取得 352 份有 效樣本進行迴歸分析，分析問卷樣本後獲得以下結論，排序機制之順序效果會正向 影響資訊品質準確性、完整性、即時性及形式性，資訊品質準確性、完整性、即時 性及形式性會正向影響使用者滿意度，使用者滿意度會正向影響消費者衝動購買行 為，而調節變數交易意圖及資訊意圖在使用者滿意度及衝動購買間則無顯著影響。 期望透過本研究之成果，提供購物網站設計網站功能之相關方向，協助購物網站優 化消費者購物體驗。

Search information is an important step in the consumer buying process, assist consumers in making purchasing decisions. In recent years, e-commerce has become a necessary part of the retail industry. More and more people take shopping websites as a major way of getting product information. When consumers search product information via shopping website search engine, they need a sorting tool to filter and arrange unorganized search results, such as new arrivals, bestseller, etc. Once product information is ranked by sorting tool, consumers will click and browse the information according to the order. It is obvious that sorting tools will lead to order effects. Consequently, this research aims to explore the order effect under the shopping website sorting tool.
In past researches, user satisfaction is determined by information quality. This research used accuracy, completeness, currency, and format to evaluate information quality provided by sorting tools, and focus on the relationship between user satisfaction and consumers’ impulse purchase behavior.
This research used an online survey with 352 participates who had experience in using shopping websites. The results show that the order effect caused by sorting tools positively affects the information quality, and the information quality positively affects the user satisfaction. Further, user satisfaction demonstrates a positive effect on impulse purchase behavior.

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