全国商务英语专业四级考试的测试学分析

摘要

本文探讨了全国商务英语专业英语四级考试能力量表的设计，以2013年的笔试数据为依据，对考试的信度和效度进行分析，并运用多面 RASCH模型，测量了试卷各题目的难度，以检验该考试的区分度和权威性。统计结果显示，该考试具有良好的信度和效度，试题能够合理区分考生，符合测试学的要求，适用于大规模考试。本文对测试题的改进和今后如何完善该考试提出了建议。%This paper describes the scales design of Test for Business English Majors (TBEM). It measures the reliability and validity of this large-scale test (Band 4) based on the testing data of 2013. It built a multi-facet RASCH model to determine the difficultness and discrimination of each test item. Statistic results show that the test is reliable, valid and suitable for large-scale testing if with some minor revision of the items in question. Finally, it raises some suggestions for future improvement.