Select all that apply

What is true about breaking meetings into smaller groups? $($Choose every correct answer.$)$

Multiple select question.

It is important to let small groups share their ideas with the larger group.

A good technique involves using breakout rooms in online meetings.

Five to seven people is the most effective group size.

Some people need a smaller group size than others to feel comfortable speaking up$.$

It is important to conceal small group findings from the larger group.