1. Discuss the extent to which the characteristics of well-functioning, effective groups accurately describe the Freiburg hip replacement navigation system team. 2. Explain why teamwork is important to effectively solve the problems which field testing of the hip replacement navigation system revealed.3. Describe how the task functions and maintenance functions are operating within the Freiburg team. 4. Explain why diversity and creativity are important to the effectiveness functioning of the Freiburg team.