The teacher conducted an item analysis of the exam to identify which questions were most challenging for students.
老师对考试进行了项目分析，以确定哪些问题对学生来说最具挑战性。
Item analysis is crucial for curriculum development to ensure that assessments are aligned with learning objectives.
项目分析对于课程开发至关重要，以确保评估与学习目标相一致。