4 stages of group communication
forming
brainstorming
norming
performing
group dynamic: task role
initiating-contributing
information and opinion giving/seeking
coordinating
group dynamic: maintenance role
encouraging, harmonizing, compromising
group dynamic: individual role
aggressing
blocking
jokester
dominating
groupthink
illusion on agreement, rationalization
effective small group communication
equal participation
consensus decision making
cooperative
respectful