The Graves value system: what is really important to people

What are value systems? What do you need them for? What is the Graves Value System GVS?
Team development: How a group becomes a team

Team development comprises five phases: Forming (getting to know each other), Storming (conflicts), Norming (norms), Performing (collaboration) and Adjourning (parting). The process can be repeated as the team goes through changes.