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Abstract：
A prominent methodological issue in cognitive research on bilingualism is the lack of consistency in measuring second language (L2) proficiency. To reduce the inconsistency in L2 proficiency measurements, brief and valid vocabulary tests have been developed as an objective measure of proficiency in a variety of languages (e.g., English, French, Spanish). Here, we present LexCHI, a valid lexical test to measure Chinese proficiency. This freely available short test consists of 60 two-character items presented in simplified Chinese. Although it only takes a few minutes to complete LexCHI, the LexCHI scores in two studies correlated significantly with L2 participants\' performance in a translation task and a cloze test. We believe that LexCHI is a useful tool for researchers who need to objectively measure Chinese proficiency as part of their investigations.
摘要：
双语认知研究中一个突出的方法论问题是在测量第二语言（L2）能力方面缺乏一致性。为了减少L2熟练程度测量中的不一致，简短而有效的词汇测试已被开发为对多种语言熟练程度的客观衡量标准(例如，英语,法语,西班牙语)。这里,我们介绍Lexchi,衡量汉语水平的有效词汇测试。这个免费提供的简短测试包含60个两个字符的项目，以简体中文表示。虽然完成Lexchi只需要几分钟,两项研究中的LexCHI得分与二语参与者在翻译任务和完形填空测试中的表现显著相关。我们认为，LexCHI对于需要客观衡量汉语水平的研究人员来说是一个有用的工具。
