Effective groups evolve over time and through a series of stages. Which of the following best describes the staged approach to group development according to the theory of Tuckman? Select one: 1.Storming; performing; norming; forming; adjourning 2.Performing; norming; storming; forming; adjourning 3.Storming; forming; performing; norming; adjourning 4.Forming; storming; norming; performing; adjourning