please answer this four question with APA reference for each of the question ( minimum 120 word)

1. Describe the advantages and disadvantages of working in a group. Have youexperienced any of these?
2. Explain the meaning of "group member assertiveness. " Why is this importantto your team?
3. Discuss why teams assign "roles" to team members.
4. Explain why "setting goals" is so important to the performance of a group.