W 11.1 TANG YINI 탕이니
1.summary
Social networks are social structures composed of social actors (such as individuals or organizations) and their interrelationships. Social network analysis (SNA) is used to identify and interpret the patterns within these networks. The theories and methods of social networks were mathematically formalized in the 1950s and became a major paradigm in social and behavioral sciences in the 1980s. SNA has now become an interdisciplinary field, applied across various disciplines, including sociology, psychology, anthropology, and biology.
Historical Background
The concept of social networks can be traced back to the late 19th century with the research of Émile Durkheim and Ferdinand Tönnies, who studied the differences between community (Gemeinschaft) and society (Gesellschaft). In the early 20th century, Georg Simmel explored the nature of networks and the impact of their scale on interactions. In the 1930s, Jacob Moreno created sociograms for studying small group interactions. Anthropologists like Bronislaw Malinowski and Alfred Radcliffe-Brown also contributed to social network theory. From the 1950s to the 1970s, scholars like Harrison White and his students further developed SNA. In the late 1990s, network analysis expanded with the advent of digital data and new models.
Levels of Analysis
1. Micro-level: Studies individuals and their direct relationships, including dyadic relations and triads, focusing on relationship strength and network characteristics.
2. Meso-level: Investigates relationships within and between groups and organizations, exploring social structure effects and network models like scale-free networks.
3. Macro-level: Examines large-scale networks and the features of complex networks, analyzing resource flows and social complexity in large populations.
The application of social network analysis is extensive, covering fields such as sociology, economics, and geography, making it a crucial tool for understanding social interactions and structures.
2.Interesting points
1. Interdisciplinary Application: SNA is not only important in sociology but is also applied in psychology, anthropology, and biology, demonstrating its broad academic impact.
2. Historical Origins: The concept of social networks can be traced back to the late 19th century with the research of Durkheim and Tönnies, highlighting the deep historical background of social network analysis.
3.Questions
How did the formalization of social network theories and methods in the 1950s contribute to the advancement of social and behavioral sciences?
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