Evaluation of Factors Affecting the Efficacy of English Listening Comprehension Based on CALL

This paper is intended to elaborate on the multimedia listening activity of the effect on the learners´ listening comprehension. It first describes a course-support hypermedia language-learning environment based on computer-assisted language learning (CALL) system, and shows the design and implementation of the courseware in this environment. Further study was conducted to identify positive and negative factors influencing the effectiveness of CALL system on listening comprehension. The factors considered in this study were the teaching style, the time available for the students to study, help options and student´s motivation. After a period of two-year research and test, the corresponding data analyses and results of this study confirmed the influence of the above factors on the effectiveness and usefulness of CALL system. In addition, it was concluded that no one factor alone, could optimize the effect of listening comprehension, and that a systems approach is indispensable in improving the efficacy of listening comprehension by CALL.