Forming (formation): When group members first meet, there is a great deal of uncertainty about the group, the goal, and now it is to be achieved. People try to know each other and assess whether they will fit in. These are excitement as well as apprehensions. This stage called forming stage.
Storming (conflict): There is a stage of intergroup conflict which is referred to as storming. In this stage, there is conflict among members about how the ‘target of the group is to be achieved, who is to control the group and its resources.