The teacher used the introversion-extroversion questionnaire to understand the students' social behavior in the classroom.
老师使用内向-外向问卷来了解学生在课堂上的社交行为。
Students filled out the introversion-extroversion questionnaire as part of their personality assessment in the psychology course.
学生们填写了内向-外向问卷，作为心理学课程中人格评估的一部分。