How many members would experts agree upon are needed to make an effective group geared towards adults?

Question

Quizplus · Accepted Answer

Eight members would be considered the ideal size for a group for adults; a teen group might be a few members smaller; eight members is large enough to run an effective group, and allow members to communicate struggles, and express themselves, without having to break into subgroups (as will typically happen in larger groups).

How Many Members Would Experts Agree Upon Are Needed to Make