學(xué)術(shù)搜索過程中用戶認知負荷變化——以中國知網(wǎng)的實證研究為例
[Abstract]:[Objective/ significance] To explore the law of the dynamic change of cognitive load in the course of academic search, identify the stage of the heaviest cognitive load and the internal reason, and provide the corresponding system optimization for the design personnel of the academic search system. [Method/ Process] Using the empirical research method,20 users were recruited, and the search task with 6 task phases was completed by using the CNKI academic search platform. The data obtained from the qualitative interview, the quantitative questionnaire and the video recording software are collected and analyzed, and the change pattern of the cognitive load of the user in the course of the academic search is revealed. [Results/ Conclusion] There are significant changes in the cognitive load of the users during the six different stages of the academic search; compared with the focus expression (FF) stage and the outcome display (RE) stage, the cognitive load of the user in the focus search (PE) stage and the mark content (IG) stage is significantly higher, The peak is reached in the PE phase; at the first two stages of the academic search process, i.e. the task initial (TI) phase and the construction query (TS) stage, the cognitive load of the user is at a lower level, significantly lower than the latter four stages. This study will help the system designer to better understand the cognitive load of the user at different stages and provide support for improving the interactive design of the academic search system.
【作者單位】: 武漢大學(xué)信息管理學(xué)院
【基金】:國家自然科學(xué)基金面上項目“基于個性化知識地圖的交互式信息檢索系統(tǒng)研究從用戶認知的角度”的研究成果之一,項目編號:71573196
【分類號】:G252
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