The relations among the scores of RDT, the scores of intelligibility and the quality of speech communication were obtained. The results showed that the RDT could rapidly measure the Chinese intelligibility and preliminarily detect the properties of mistakes in distinguishing Chinese phonetics. 结果表明:RDT实验可快速测量汉语语言可懂度,并能初步判别汉语语音分辨错误的性质。