Final answer:
Globalization affects social identity by encouraging the development of a multicultural identity that integrates global influences with local traditions, while also emphasizing the uniqueness of local cultures.
Step-by-step explanation:
Globalization has a profound influence on the development of social identity, shaping it in multifaceted ways. Sociologists and anthropologists study the effects of globalization on cultural dynamics, noting that while globalization fosters interconnectedness, it also emphasizes and enhances local identities and traditional practices. This process often leads to adolescents developing multicultural identities, where they combine aspects of their local culture with the diverse influences of the global community. For instance, the spread of brands like McDonald's or Coca-Cola can disseminate American values, yet local cultures still find unique ways to integrate and re-contextualize these global forces, reflecting the complexity of the interplay between globalization and social identity.