探索式搜索是网络环境下新的搜索模式。为了探讨探索式搜索过程中搜索者的认知变化特点,文章采用日志分析、有声思维、访谈与问卷调查相结合的方法进行实验。针对复杂程度不同的两个搜索任务,从认知的外在表现,即行为和情绪,以及认知的内在表现,即感知觉、注意力分配、记忆、思维等方面对搜索者所表现出的认知变化特点进行了对比分析。结果表明:随着探索式搜索复杂程度的增加,用户在搜索中表现出更复杂的认知改变。 Exploratory search is a new search mode in the web environment. In order to explore the characteristics of searcher’s cognitive changes in exploratory search, this paper uses log analysis, audio thinking, interview and questionnaire to combine experiments. For two search tasks with different levels of sophistication, the search performance from the external manifestations of cognition, namely, behavior and emotion, as well as the intrinsic performance of cognition, namely perception, attention distribution, memory, thinking, Cognitive characteristics of a comparative analysis. The results show that as the complexity of exploratory search increases, users exhibit more complex cognitive changes in the search.