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The research of building the diagnostic and remedial instruction system for Chinese learning
Chinese as a Second Language
In the past, Chinese tests only informed to the students that they got the test scores, but ignored the feedback after the tests. The learners can not understand the wrong concepts that they occurred, and go to the remedial instruction. In this study, we built the knowledge structure according to the reading and vocabulary concepts of the new TOCFL Level 2, and built diagnostic and remedial instruction system for Chinese learning by using Bayesian network and Ordering theory. We compared the results of the remedial instruction, and the errors concepts of reading and vocabulary that the learners occurred between using ours system and using the paper-based remedial material. In this study, the subjects are 65 students who are studying at the Mandarin Training Center in the university in Taipei City. At first, we gave them a diagnostic test. After the test, the system informed them the score and the ability of Chinese. Afterward the students of the experimental group used our system to do the remedial instruction, and the students of the control group used the paper-based remedial material to do the remedial instruction. Finally, all of the subjects tested for the effectiveness of the remedial instruction. The purpose of this research was to find that the students based on different background, such as Chinese-character cultural circle or the time of learning Chinese with different remedial instruction methods would show variations on their learning effect and the errors concepts of reading and vocabulary. The study reached the following conclusion : 1. In the remedial instruction achievement, the students of the experimental group were significant better than the students of control group. 2. In the remedial instruction achievement, the error concepts that occurred by the students of the experimental group were significant less than the students of the control group 3. The capacity gap between the Chinese-character cultural circle and non-Chinese-character cultural circle is reduced by using our system to do the remedial instruction. 4. For all the students in the new TOCFL Level 2, the most difficult concepts are grammar and vocabulary.
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