Final answer:
B) Circular seating for group discussions. Circular seating for group discussions has been proven to be effective for learning.
Step-by-step explanation:
Research has shown that option B) Circular seating for group discussions has been proven to be effective for learning.
In a circular seating arrangement, students can easily see and interact with each other, promoting engagement and collaboration. This arrangement fosters discussion, critical thinking, and problem-solving skills.
Furthermore, circular seating encourages equal participation and shared responsibility within the group, as everyone is visible and accessible. Students can listen to different perspectives and learn from their peers' experiences and insights.