Panel discussion: 1. '4-8 persons' who are qualified to talk about the topic sit and discuss a given problem / topic in front of a target group of audience. 2. Panel comprises of a chairman or moderator, and 4 - 8 speakers. 3. There is 'no specific agenda, no order of speaking and no set speeches'. 4. After the speakers explore the topic, audience is invited to take pa. - News channel discussions is a type of panel discussion. Group discussion : A group is an aggregation of people interacting in a face to - face situation.