Abstract: Eyelink 2000 was used to record their eye movement when they read Chinese sentences. Four spacing conditions were included into the sentences to marking word boundary, in cluding normal unspaced condition, word spaced condition, character spaced condition

Key words: word boundary, word frequency, Chinese reading, eye movement

摘要： 利用Eyelink2000眼动仪，记录27名本科生阅读时的眼动轨迹。句子中插入四种空格（正常无空格、词间空格、字间空格和非词空格）标记词边界信息，并操纵目标词的词频，以考察词边界信息和词频在汉语阅读中的作用。结果表明：（1）插入非词空格对低频词的干扰作用大于高频词，插入字间空格能促进低频词的加工；（2）被试对低频词的加工难度均大于高频词；（3）汉语阅读的基本加工单位为词而不是汉字。

关键词: 词边界信息, 词频, 汉语阅读, 眼动