This paper analyzes e-mail paralinguistic features from the perspective of media richness theory and further proves e-mail has been a rich and effective medium in computer-based communication.

• 本文旨在通过对电子邮件交际中副语言特征的分析，利用媒体丰富度理论来证明电子邮件是电脑媒体交际中丰富度较高的媒体。