Which guidelines describe the best group size and seating arrangement for participation?

• A. Group size 5-7 is best; people participate better in small or informal settings; circle seating fosters looking at one another
• B. Group size 2-3 is best; seating in a row
• C. Group size 8-12 is best; seating around a U-shape
• D. Group size 5-7 is best; seating in a circle

Answer: (D)