Many group discussions have no specific purpose except the exchange of ideas and opinions.  Ultimately, an effective group discussion is one in which many different ideas and viewpoints are heard and considered.  This allows the group to accomplish its purpose if it has one, or to establish a basis either for ongoing discussion or for further contact and collaboration among its members.

There are many possible purposes for a group discussion, such as:

• Create a new situation – form a coalition, start an initiative, etc.
• Explore cooperative or collaborative arrangements among groups or organizations
• Discuss and/or analyze an issue, with no specific goal in mind but understanding
• Create a strategic plan – for an initiative, an advocacy campaign, an intervention, etc.
• Discuss policy and policy change
• Air concerns and differences among individuals or groups
• Hold public hearings on proposed laws or regulations, development, etc.
• Decide on an action
• Provide mutual support
• Solve a problem
• Resolve a conflict
• Plan your work or an event

Possible leadership styles of a group discussion also vary.  A group leader or facilitator might be directive or non-directive; that is, she might try to control what goes on to a large extent; or she might assume that the group should be in control, and that her job is to facilitate the process.  In most group discussions, leaders who are relatively non-directive make for a more broad-ranging outlay of ideas, and a more satisfying experience for participants.

Directive leaders can be necessary in some situations. If a goal must be reached in a short time period, a directive leader might help to keep the group focused. If the situation is particularly difficult, a directive leader might be needed to keep control of the discussion and make