"Us and Them Preview the document."

Write a one-page summary of the paper "Us and Them Preview the document."
Your summary should include the following sections:

1. The Problem: What is the question or problem that the authors are trying to answer?
2. Agent-Based Simulation: Outline the agent-based simulation the authors developed including a description
   of the rules that caused agents to form groups.
3. Main Results: What were the main results?
4. Discussion:
   Go to their website: http://www.mpmlab.org/groups/ (Links to an external site.) and explore their simulation. Are
   their possible problems with their model. Set transitivity to "None", Reciprocity to "A Lot", Trusting or
   Suspicious to "Trusting". Then try several simulations for the number of people set a 6, 10, 15, 20, and 25.
   What in general happens when the number of people increases?