| A | B |
| Group | Three or more people with a common goal |
| Cohesion | An adhesive property that binds people together |
| Dynamics | The interactive process between group members |
| Formal | A role where a person is expected to act in a certain way |
| Informal | These roles are not part of the group structure but may help the group function |
| Forming | The group comes together to find out more about each other |
| Storming | Individuals in the group start to question the more formal structures in the group |
| Norming | Instability disappears and the group begin to work together |
| Performing | The group has become a team and all are aware of the roles they will be playing |
| Task Cohesion | The degree to which group members work together and are committed to achieve common goals |
| Social Cohesion | The degree to which group members like each other and get on well |