In a college-level course, Mrs. Smith gives the lectures, sets the due dates, and is the expert on the material. Mr. Doe helps grade papers, offers tutoring sessions for the students, and attends the lectures. Which best describes the two instructors?

Mrs. Smith leads the college course, gives lectures, sets deadlines, and has expertise in the subject, so she is the postsecondary teacher. Mr. Doe assists by grading, tutoring students, and attending lectures, which are typical teaching assistant duties. Therefore, the best choice is “Mrs. Smith is a postsecondary teacher, and Mr. Doe is a teaching assistant.”

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