ACTIVITY 3: Compare and Contrast Directions: Based on what you have learned, compare and contrast the following concepts. Use a separate sheet for this activity. Similarities Differences Concept Primary Group and Secondary Group In-Groups and Out-Groups Reference Groups and Networks 1. Why are there various social groups in our society? 2. How do these social groups function in our society? 3. How do these social groups shape the beliefs, behavior, personality and other aspects of culture of an individual?​