Tuckman’s ‘Group development model’, also known as ‘Forming, storming, norming, performing’, is a very useful approach. It suggests that team members will tend to behave in particular ways according to the state of the team as a whole – whether it is newly formed, or recently shaken up by changes, or has been working together for long enough to get to know each other, or has had time for tensions to arise about certain things. This can help you to understand why people in the team may be reacting in certain ways, and here we give you some hints about possible helpful approaches; the aim is almost always to help the team move on to the next stage This applies to general, day to day management, but it can be especially useful in a group session.