Status and size definitely have a positive effect on team performance. The size of the Team depends on the size of the project or assignment. The required number of members should be allotted to complete the work successfully. Team size has a direct impact on productivity and function.
Every member of the team should be able to gel into the team and work for Team outcome. The size of the team makes the effort more and gives confidence to boost to the whole team. Even if few are not blended within the team initially they would get used to the Team as days go by.
Status is another important aspect that affect Team performance.