本文在梳理前人研究的基础上，结合商务英语专业特点，设计出《基于学生感知的我国商务英语教师学科教学知识量表》。量具开发步骤如下：1)通过文献分析，结合商务英语专业特色，确定量具所包含的五个维度；2)通过先导研究，确定各维度所包含的因子；3)根据同行、专家意见修改问卷内容；4)试测并对结果进行信、效度分析；5)对修改后的问卷进行二次试测。研究结果显示，该量具内在一致性好，可信度高，可以较好地预测教师的PCK水平。本研究所确定的五个维度为：教学目标与情境知识、学科内容知识、教学策略及内容表征知识、教学主体知识和课程知识。该量具的开发丰富了教师知识领域的研究。

Based on previous researches as well as the characteristics of Business English Major, the authors designed an instrument for assessing college students’ perceptions of business English teachers pedagogical content knowledge. The procedures are as follows:1) Constructing five dimensions of the instrument based on previous researches as well as the characteristics of businessEnglishmajor;2) Compiling 32 descriptive items for all dimensions according to the results of in depth interview with studentsandteachersaswellasconceptmapsfromstudents;3) Revising the content in accordance with suggestions from teacher educationexperts;4) Conducting a pilot study and revising the items accordingly; 5)Conducting the pilot study again. Results of analysisindicatedthatthisinstrumentshowedpromisingvalidityandreliabilityandcouldmeasurethelevelofPCKappropriately. Five dimensions finally constructed in this study were Knowledge of Educational Context and Teaching Objectives, Subject Matter Knowledge, Knowledge of Instructional Strategies and Content Representation, Knowledge of Teachers and Students as well as KnowledgeofCurriculum.ThisstudyenrichestheresearchmethodforthefieldofTeacherKnowledge.