A Study of Validity and Washback Effects of Granting Course Credit for Performance on English Proficiency Tests

本研究旨在探讨大学生在英语能力测试取得学分后，如何自主学习英语，以及他们如何评价课程学分授予制度。结果显示，77%的学生积极评价该系统，51%的学生继续自学。大多数英语水平测试都是间接衡量学生的英语能力。在本研究中，参与者的测试结果表明，直接测试和间接测试的得分之间的相关性非常低。这些结果表明，只使用间接测试来授予课程学分的制度存在缺陷。

This study explores how university students study English independently after getting course credits for performance on English proficiency tests called gaibu test and how they evaluate the system of granting course credits. The results show that 77% of the students evaluated the system positively and 51% of students continued to study by themselves. Most of the English proficiency tests measure students' English ability indirectly. The test results of the participants in this study show a very low correlation between the scores measured by a direct test and the ones measured by indirect tests. These results suggest a flaw in the system of granting course credits using indirect tests only.