The purpose of this study was to investigate the indispensable factors related to multimedia software that would aid in effectively developing EFL learners' communicative ability. Three procedures were involved in conducting this study. First, a survey of psychology of learning, cognitive psychology, educational technology and English teaching education was conducted on motivation, presentation, cognitive tasks, and multimedia information. Secondly, ten checkpoints were devised from the findings of the survey to observe the content of the CD-ROMs. Thirdly, fifty commercial CD-ROMs were examined based on these checkpoints. It was found that most of the CD-ROMs were interesting enough to highly motivate the learners, however, too much emphasis seemed to be put on how to make full use of new technology. We came to the conclusion that we should develop CD-ROMs putting more emphasis on human cognition rather than on the functions of multimedia computers. In short, the proficiency level of the students should agree with the difficulty level of the materials. Problem-solving type of tasks, rather than drill-type of tasks, would be more appropriate for developing comprehension. In addition, in solving problems in tasks, multimedia information should be systematically combined and given to the learners, paying special attention to their proficiency levels. Finally but importantly, vocabulary building is an indispensable part of the development of English proficiency.
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