What is typically led by TAs in large lecture courses?

• A. Lecture notes
• B. Review sessions
• C. Discussion sections
• D. Online forums

Answer: (C)

In large lecture courses, discussion sections are typically led by teaching assistants (TAs). These sections provide an opportunity for students to engage more deeply with the course material in a smaller, more interactive setting. During these discussions, TAs facilitate conversations, answer questions, and encourage participation among students, which can complement the larger, more formal lecture experience.

Choosing discussion sections as the correct answer highlights the role of TAs in bridging the gap between the lecture content and students' understanding. They often provide additional resources, clarify complex topics, and foster an environment where students feel more comfortable discussing their thoughts and questions, which may not happen in a large lecture hall.

In contrast, lecture notes are usually prepared and delivered by the primary instructor, and online forums typically serve as platforms for student communication and interaction rather than being directly facilitated by TAs. Review sessions, while sometimes led by TAs, do not exclusively rely on their leadership, as faculty members may also conduct these. Thus, discussion sections specifically emphasize the unique role of TAs in enhancing the learning experience of students in large courses.